Home / 2,319,133.20-3,478,699.80-992,029.20

Finding the Fourth Proportional to 2,319,133.20, 3,478,699.80 and 992,029.20

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Solution

The fourth proportional to 2,319,133.20, 3,478,699.80 and 992,029.20 is: 1,488,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,133.20 : 3,478,699.80 = 992,029.20 : x
  2. Step 2: Convert to fraction form
    2,319,133.20/3,478,699.80 = 992,029.20/x
  3. Step 3: Cross multiply
    2,319,133.20x = 3,478,699.80 × 992,029.20
  4. Step 4: Simplify right side
    2,319,133.20x = 3,450,971,779,634.16
  5. Step 5: Solve for x
    x = 3,450,971,779,634.16/2,319,133.20
  6. Step 6: Final answer
    x = 1,488,043.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.