Home / 2,487,259.96-3,730,889.94-690,143.80

Finding the Fourth Proportional to 2,487,259.96, 3,730,889.94 and 690,143.80

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Solution

The fourth proportional to 2,487,259.96, 3,730,889.94 and 690,143.80 is: 1,035,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,259.96 : 3,730,889.94 = 690,143.80 : x
  2. Step 2: Convert to fraction form
    2,487,259.96/3,730,889.94 = 690,143.80/x
  3. Step 3: Cross multiply
    2,487,259.96x = 3,730,889.94 × 690,143.80
  4. Step 4: Simplify right side
    2,487,259.96x = 2,574,850,560,573.37
  5. Step 5: Solve for x
    x = 2,574,850,560,573.37/2,487,259.96
  6. Step 6: Final answer
    x = 1,035,215.70

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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.