Home / 1,423,361.80-2,135,042.70-1,361,931.40

Finding the Fourth Proportional to 1,423,361.80, 2,135,042.70 and 1,361,931.40

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Solution

The fourth proportional to 1,423,361.80, 2,135,042.70 and 1,361,931.40 is: 2,042,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,361.80 : 2,135,042.70 = 1,361,931.40 : x
  2. Step 2: Convert to fraction form
    1,423,361.80/2,135,042.70 = 1,361,931.40/x
  3. Step 3: Cross multiply
    1,423,361.80x = 2,135,042.70 × 1,361,931.40
  4. Step 4: Simplify right side
    1,423,361.80x = 2,907,781,693,470.78
  5. Step 5: Solve for x
    x = 2,907,781,693,470.78/1,423,361.80
  6. Step 6: Final answer
    x = 2,042,897.10

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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.