Home / 2,637,705.60-3,956,558.40-2,621,959.20

Finding the Fourth Proportional to 2,637,705.60, 3,956,558.40 and 2,621,959.20

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Solution

The fourth proportional to 2,637,705.60, 3,956,558.40 and 2,621,959.20 is: 3,932,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,705.60 : 3,956,558.40 = 2,621,959.20 : x
  2. Step 2: Convert to fraction form
    2,637,705.60/3,956,558.40 = 2,621,959.20/x
  3. Step 3: Cross multiply
    2,637,705.60x = 3,956,558.40 × 2,621,959.20
  4. Step 4: Simplify right side
    2,637,705.60x = 10,373,934,697,217.28
  5. Step 5: Solve for x
    x = 10,373,934,697,217.28/2,637,705.60
  6. Step 6: Final answer
    x = 3,932,938.80

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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.