Home / 5,263,761.30-7,896,395.85-1,620,800.07

Finding the Fourth Proportional to 5,263,761.30, 7,896,395.85 and 1,620,800.07

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Solution

The fourth proportional to 5,263,761.30, 7,896,395.85 and 1,620,800.07 is: 2,431,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,761.30 : 7,896,395.85 = 1,620,800.07 : x
  2. Step 2: Convert to fraction form
    5,263,761.30/7,896,395.85 = 1,620,800.07/x
  3. Step 3: Cross multiply
    5,263,761.30x = 7,896,395.85 × 1,620,800.07
  4. Step 4: Simplify right side
    5,263,761.30x = 12,798,478,946,427.71
  5. Step 5: Solve for x
    x = 12,798,478,946,427.71/5,263,761.30
  6. Step 6: Final answer
    x = 2,431,432.24

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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.