Home / 3,420,670.76-4,720,329.06-1,892,701.16

Finding the Fourth Proportional to 3,420,670.76, 4,720,329.06 and 1,892,701.16

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Solution

The fourth proportional to 3,420,670.76, 4,720,329.06 and 1,892,701.16 is: 2,611,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,670.76 : 4,720,329.06 = 1,892,701.16 : x
  2. Step 2: Convert to fraction form
    3,420,670.76/4,720,329.06 = 1,892,701.16/x
  3. Step 3: Cross multiply
    3,420,670.76x = 4,720,329.06 × 1,892,701.16
  4. Step 4: Simplify right side
    3,420,670.76x = 8,934,172,287,443.71
  5. Step 5: Solve for x
    x = 8,934,172,287,443.71/3,420,670.76
  6. Step 6: Final answer
    x = 2,611,818.83

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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.