Home / 6,442,428.50-8,890,324.80-3,541,798.25

Finding the Fourth Proportional to 6,442,428.50, 8,890,324.80 and 3,541,798.25

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Solution

The fourth proportional to 6,442,428.50, 8,890,324.80 and 3,541,798.25 is: 4,887,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,428.50 : 8,890,324.80 = 3,541,798.25 : x
  2. Step 2: Convert to fraction form
    6,442,428.50/8,890,324.80 = 3,541,798.25/x
  3. Step 3: Cross multiply
    6,442,428.50x = 8,890,324.80 × 3,541,798.25
  4. Step 4: Simplify right side
    6,442,428.50x = 31,487,736,818,571.60
  5. Step 5: Solve for x
    x = 31,487,736,818,571.60/6,442,428.50
  6. Step 6: Final answer
    x = 4,887,557.05

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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.