Home / 2,992,985.32-4,490,141.36-862,903.20

Finding the Fourth Proportional to 2,992,985.32, 4,490,141.36 and 862,903.20

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Solution

The fourth proportional to 2,992,985.32, 4,490,141.36 and 862,903.20 is: 1,294,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,985.32 : 4,490,141.36 = 862,903.20 : x
  2. Step 2: Convert to fraction form
    2,992,985.32/4,490,141.36 = 862,903.20/x
  3. Step 3: Cross multiply
    2,992,985.32x = 4,490,141.36 × 862,903.20
  4. Step 4: Simplify right side
    2,992,985.32x = 3,874,557,347,996.35
  5. Step 5: Solve for x
    x = 3,874,557,347,996.35/2,992,985.32
  6. Step 6: Final answer
    x = 1,294,546.06

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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.