Home / 4,518,535.38-6,234,019.98-2,887,897.20

Finding the Fourth Proportional to 4,518,535.38, 6,234,019.98 and 2,887,897.20

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Solution

The fourth proportional to 4,518,535.38, 6,234,019.98 and 2,887,897.20 is: 3,984,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,535.38 : 6,234,019.98 = 2,887,897.20 : x
  2. Step 2: Convert to fraction form
    4,518,535.38/6,234,019.98 = 2,887,897.20/x
  3. Step 3: Cross multiply
    4,518,535.38x = 6,234,019.98 × 2,887,897.20
  4. Step 4: Simplify right side
    4,518,535.38x = 18,003,208,844,986.06
  5. Step 5: Solve for x
    x = 18,003,208,844,986.06/4,518,535.38
  6. Step 6: Final answer
    x = 3,984,301.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.