Home / 1,445,818.60-2,168,727.90-1,377,389.80

Finding the Fourth Proportional to 1,445,818.60, 2,168,727.90 and 1,377,389.80

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Solution

The fourth proportional to 1,445,818.60, 2,168,727.90 and 1,377,389.80 is: 2,066,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,818.60 : 2,168,727.90 = 1,377,389.80 : x
  2. Step 2: Convert to fraction form
    1,445,818.60/2,168,727.90 = 1,377,389.80/x
  3. Step 3: Cross multiply
    1,445,818.60x = 2,168,727.90 × 1,377,389.80
  4. Step 4: Simplify right side
    1,445,818.60x = 2,987,183,688,435.42
  5. Step 5: Solve for x
    x = 2,987,183,688,435.42/1,445,818.60
  6. Step 6: Final answer
    x = 2,066,084.70

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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.