Home / 1,681,997.46-2,321,155.71-918,050.94

Finding the Fourth Proportional to 1,681,997.46, 2,321,155.71 and 918,050.94

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Solution

The fourth proportional to 1,681,997.46, 2,321,155.71 and 918,050.94 is: 1,266,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,997.46 : 2,321,155.71 = 918,050.94 : x
  2. Step 2: Convert to fraction form
    1,681,997.46/2,321,155.71 = 918,050.94/x
  3. Step 3: Cross multiply
    1,681,997.46x = 2,321,155.71 × 918,050.94
  4. Step 4: Simplify right side
    1,681,997.46x = 2,130,939,181,451.87
  5. Step 5: Solve for x
    x = 2,130,939,181,451.87/1,681,997.46
  6. Step 6: Final answer
    x = 1,266,909.87

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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.