Home / 1,820,730.60-2,731,095.90-1,478,246.40

Finding the Fourth Proportional to 1,820,730.60, 2,731,095.90 and 1,478,246.40

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Solution

The fourth proportional to 1,820,730.60, 2,731,095.90 and 1,478,246.40 is: 2,217,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,730.60 : 2,731,095.90 = 1,478,246.40 : x
  2. Step 2: Convert to fraction form
    1,820,730.60/2,731,095.90 = 1,478,246.40/x
  3. Step 3: Cross multiply
    1,820,730.60x = 2,731,095.90 × 1,478,246.40
  4. Step 4: Simplify right side
    1,820,730.60x = 4,037,232,682,229.76
  5. Step 5: Solve for x
    x = 4,037,232,682,229.76/1,820,730.60
  6. Step 6: Final answer
    x = 2,217,369.60

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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.