Home / 6,398,463.10-8,782,878.01-5,657,070.10

Finding the Fourth Proportional to 6,398,463.10, 8,782,878.01 and 5,657,070.10

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Solution

The fourth proportional to 6,398,463.10, 8,782,878.01 and 5,657,070.10 is: 7,765,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,463.10 : 8,782,878.01 = 5,657,070.10 : x
  2. Step 2: Convert to fraction form
    6,398,463.10/8,782,878.01 = 5,657,070.10/x
  3. Step 3: Cross multiply
    6,398,463.10x = 8,782,878.01 × 5,657,070.10
  4. Step 4: Simplify right side
    6,398,463.10x = 49,685,356,582,318.50
  5. Step 5: Solve for x
    x = 49,685,356,582,318.50/6,398,463.10
  6. Step 6: Final answer
    x = 7,765,201.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.