Home / 5,066,320.50-6,989,456.79-2,999,799.90

Finding the Fourth Proportional to 5,066,320.50, 6,989,456.79 and 2,999,799.90

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Solution

The fourth proportional to 5,066,320.50, 6,989,456.79 and 2,999,799.90 is: 4,138,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066,320.50 : 6,989,456.79 = 2,999,799.90 : x
  2. Step 2: Convert to fraction form
    5,066,320.50/6,989,456.79 = 2,999,799.90/x
  3. Step 3: Cross multiply
    5,066,320.50x = 6,989,456.79 × 2,999,799.90
  4. Step 4: Simplify right side
    5,066,320.50x = 20,966,971,779,696.32
  5. Step 5: Solve for x
    x = 20,966,971,779,696.32/5,066,320.50
  6. Step 6: Final answer
    x = 4,138,500.87

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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.