Home / 2,460,418.40-3,690,627.60-687,490.40

Finding the Fourth Proportional to 2,460,418.40, 3,690,627.60 and 687,490.40

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Solution

The fourth proportional to 2,460,418.40, 3,690,627.60 and 687,490.40 is: 1,031,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460,418.40 : 3,690,627.60 = 687,490.40 : x
  2. Step 2: Convert to fraction form
    2,460,418.40/3,690,627.60 = 687,490.40/x
  3. Step 3: Cross multiply
    2,460,418.40x = 3,690,627.60 × 687,490.40
  4. Step 4: Simplify right side
    2,460,418.40x = 2,537,271,044,975.04
  5. Step 5: Solve for x
    x = 2,537,271,044,975.04/2,460,418.40
  6. Step 6: Final answer
    x = 1,031,235.60

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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.