Home / 4,118,487.80-6,171,415.86-1,872,001.40

Finding the Fourth Proportional to 4,118,487.80, 6,171,415.86 and 1,872,001.40

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Solution

The fourth proportional to 4,118,487.80, 6,171,415.86 and 1,872,001.40 is: 2,805,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,487.80 : 6,171,415.86 = 1,872,001.40 : x
  2. Step 2: Convert to fraction form
    4,118,487.80/6,171,415.86 = 1,872,001.40/x
  3. Step 3: Cross multiply
    4,118,487.80x = 6,171,415.86 × 1,872,001.40
  4. Step 4: Simplify right side
    4,118,487.80x = 11,552,899,129,902.20
  5. Step 5: Solve for x
    x = 11,552,899,129,902.20/4,118,487.80
  6. Step 6: Final answer
    x = 2,805,131.32

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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.