Home / 4,721,811.20-7,064,572.80-4,709,715.20

Finding the Fourth Proportional to 4,721,811.20, 7,064,572.80 and 4,709,715.20

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Solution

The fourth proportional to 4,721,811.20, 7,064,572.80 and 4,709,715.20 is: 7,046,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,811.20 : 7,064,572.80 = 4,709,715.20 : x
  2. Step 2: Convert to fraction form
    4,721,811.20/7,064,572.80 = 4,709,715.20/x
  3. Step 3: Cross multiply
    4,721,811.20x = 7,064,572.80 × 4,709,715.20
  4. Step 4: Simplify right side
    4,721,811.20x = 33,272,125,897,666.56
  5. Step 5: Solve for x
    x = 33,272,125,897,666.56/4,721,811.20
  6. Step 6: Final answer
    x = 7,046,475.28

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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.