Home / 2,674,557.20-4,011,835.80-991,312.40

Finding the Fourth Proportional to 2,674,557.20, 4,011,835.80 and 991,312.40

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Solution

The fourth proportional to 2,674,557.20, 4,011,835.80 and 991,312.40 is: 1,486,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,557.20 : 4,011,835.80 = 991,312.40 : x
  2. Step 2: Convert to fraction form
    2,674,557.20/4,011,835.80 = 991,312.40/x
  3. Step 3: Cross multiply
    2,674,557.20x = 4,011,835.80 × 991,312.40
  4. Step 4: Simplify right side
    2,674,557.20x = 3,976,982,575,303.92
  5. Step 5: Solve for x
    x = 3,976,982,575,303.92/2,674,557.20
  6. Step 6: Final answer
    x = 1,486,968.60

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Similar ratio
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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.