Home / 2,637,420.04-3,956,726.76-840,405.88

Finding the Fourth Proportional to 2,637,420.04, 3,956,726.76 and 840,405.88

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Solution

The fourth proportional to 2,637,420.04, 3,956,726.76 and 840,405.88 is: 1,260,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,420.04 : 3,956,726.76 = 840,405.88 : x
  2. Step 2: Convert to fraction form
    2,637,420.04/3,956,726.76 = 840,405.88/x
  3. Step 3: Cross multiply
    2,637,420.04x = 3,956,726.76 × 840,405.88
  4. Step 4: Simplify right side
    2,637,420.04x = 3,325,256,434,657.35
  5. Step 5: Solve for x
    x = 3,325,256,434,657.35/2,637,420.04
  6. Step 6: Final answer
    x = 1,260,798.96

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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.