Home / 6,398,454.60-8,782,866.36-5,657,061.60

Finding the Fourth Proportional to 6,398,454.60, 8,782,866.36 and 5,657,061.60

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Solution

The fourth proportional to 6,398,454.60, 8,782,866.36 and 5,657,061.60 is: 7,765,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,454.60 : 8,782,866.36 = 5,657,061.60 : x
  2. Step 2: Convert to fraction form
    6,398,454.60/8,782,866.36 = 5,657,061.60/x
  3. Step 3: Cross multiply
    6,398,454.60x = 8,782,866.36 × 5,657,061.60
  4. Step 4: Simplify right side
    6,398,454.60x = 49,685,216,023,087.77
  5. Step 5: Solve for x
    x = 49,685,216,023,087.77/6,398,454.60
  6. Step 6: Final answer
    x = 7,765,190.05

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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.