Home / 1,898,132.32-2,847,200.10-478,176.40

Finding the Fourth Proportional to 1,898,132.32, 2,847,200.10 and 478,176.40

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Solution

The fourth proportional to 1,898,132.32, 2,847,200.10 and 478,176.40 is: 717,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,132.32 : 2,847,200.10 = 478,176.40 : x
  2. Step 2: Convert to fraction form
    1,898,132.32/2,847,200.10 = 478,176.40/x
  3. Step 3: Cross multiply
    1,898,132.32x = 2,847,200.10 × 478,176.40
  4. Step 4: Simplify right side
    1,898,132.32x = 1,361,463,893,897.64
  5. Step 5: Solve for x
    x = 1,361,463,893,897.64/1,898,132.32
  6. Step 6: Final answer
    x = 717,265.01

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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.