Home / 2,487,509.55-3,432,722.97-1,399,780.50

Finding the Fourth Proportional to 2,487,509.55, 3,432,722.97 and 1,399,780.50

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Solution

The fourth proportional to 2,487,509.55, 3,432,722.97 and 1,399,780.50 is: 1,931,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,509.55 : 3,432,722.97 = 1,399,780.50 : x
  2. Step 2: Convert to fraction form
    2,487,509.55/3,432,722.97 = 1,399,780.50/x
  3. Step 3: Cross multiply
    2,487,509.55x = 3,432,722.97 × 1,399,780.50
  4. Step 4: Simplify right side
    2,487,509.55x = 4,805,058,675,308.09
  5. Step 5: Solve for x
    x = 4,805,058,675,308.09/2,487,509.55
  6. Step 6: Final answer
    x = 1,931,674.46

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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.