Home / 2,487,279.40-3,731,840.70-992,444.20

Finding the Fourth Proportional to 2,487,279.40, 3,731,840.70 and 992,444.20

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Solution

The fourth proportional to 2,487,279.40, 3,731,840.70 and 992,444.20 is: 1,489,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,279.40 : 3,731,840.70 = 992,444.20 : x
  2. Step 2: Convert to fraction form
    2,487,279.40/3,731,840.70 = 992,444.20/x
  3. Step 3: Cross multiply
    2,487,279.40x = 3,731,840.70 × 992,444.20
  4. Step 4: Simplify right side
    2,487,279.40x = 3,703,643,658,038.94
  5. Step 5: Solve for x
    x = 3,703,643,658,038.94/2,487,279.40
  6. Step 6: Final answer
    x = 1,489,034.03

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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.