Home / 5,072,475-7,000,499.61-2,897,343.12

Finding the Fourth Proportional to 5,072,475, 7,000,499.61 and 2,897,343.12

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Solution

The fourth proportional to 5,072,475, 7,000,499.61 and 2,897,343.12 is: 3,998,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072,475 : 7,000,499.61 = 2,897,343.12 : x
  2. Step 2: Convert to fraction form
    5,072,475/7,000,499.61 = 2,897,343.12/x
  3. Step 3: Cross multiply
    5,072,475x = 7,000,499.61 × 2,897,343.12
  4. Step 4: Simplify right side
    5,072,475x = 20,282,849,381,596.18
  5. Step 5: Solve for x
    x = 20,282,849,381,596.18/5,072,475
  6. Step 6: Final answer
    x = 3,998,610.02

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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.