Home / 2,637,440.04-3,956,756.76-840,425.88

Finding the Fourth Proportional to 2,637,440.04, 3,956,756.76 and 840,425.88

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Solution

The fourth proportional to 2,637,440.04, 3,956,756.76 and 840,425.88 is: 1,260,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,440.04 : 3,956,756.76 = 840,425.88 : x
  2. Step 2: Convert to fraction form
    2,637,440.04/3,956,756.76 = 840,425.88/x
  3. Step 3: Cross multiply
    2,637,440.04x = 3,956,756.76 × 840,425.88
  4. Step 4: Simplify right side
    2,637,440.04x = 3,325,360,781,968.95
  5. Step 5: Solve for x
    x = 3,325,360,781,968.95/2,637,440.04
  6. Step 6: Final answer
    x = 1,260,828.96

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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.