Home / 4,932,220.20-7,390,457.10-4,129,153.80

Finding the Fourth Proportional to 4,932,220.20, 7,390,457.10 and 4,129,153.80

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Solution

The fourth proportional to 4,932,220.20, 7,390,457.10 and 4,129,153.80 is: 6,187,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932,220.20 : 7,390,457.10 = 4,129,153.80 : x
  2. Step 2: Convert to fraction form
    4,932,220.20/7,390,457.10 = 4,129,153.80/x
  3. Step 3: Cross multiply
    4,932,220.20x = 7,390,457.10 × 4,129,153.80
  4. Step 4: Simplify right side
    4,932,220.20x = 30,516,334,018,201.98
  5. Step 5: Solve for x
    x = 30,516,334,018,201.98/4,932,220.20
  6. Step 6: Final answer
    x = 6,187,139.42

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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.