Home / 2,903,722.60-4,357,139.10-1,220,996.20

Finding the Fourth Proportional to 2,903,722.60, 4,357,139.10 and 1,220,996.20

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Solution

The fourth proportional to 2,903,722.60, 4,357,139.10 and 1,220,996.20 is: 1,832,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903,722.60 : 4,357,139.10 = 1,220,996.20 : x
  2. Step 2: Convert to fraction form
    2,903,722.60/4,357,139.10 = 1,220,996.20/x
  3. Step 3: Cross multiply
    2,903,722.60x = 4,357,139.10 × 1,220,996.20
  4. Step 4: Simplify right side
    2,903,722.60x = 5,320,050,283,971.42
  5. Step 5: Solve for x
    x = 5,320,050,283,971.42/2,903,722.60
  6. Step 6: Final answer
    x = 1,832,148.25

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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.