Home / 5,430,425.80-8,143,565.10-1,642,649.80

Finding the Fourth Proportional to 5,430,425.80, 8,143,565.10 and 1,642,649.80

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Solution

The fourth proportional to 5,430,425.80, 8,143,565.10 and 1,642,649.80 is: 2,463,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,425.80 : 8,143,565.10 = 1,642,649.80 : x
  2. Step 2: Convert to fraction form
    5,430,425.80/8,143,565.10 = 1,642,649.80/x
  3. Step 3: Cross multiply
    5,430,425.80x = 8,143,565.10 × 1,642,649.80
  4. Step 4: Simplify right side
    5,430,425.80x = 13,377,025,582,801.98
  5. Step 5: Solve for x
    x = 13,377,025,582,801.98/5,430,425.80
  6. Step 6: Final answer
    x = 2,463,347.46

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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.