Home / 2,118,934.60-3,173,153.10-1,359,608.20

Finding the Fourth Proportional to 2,118,934.60, 3,173,153.10 and 1,359,608.20

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Solution

The fourth proportional to 2,118,934.60, 3,173,153.10 and 1,359,608.20 is: 2,036,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,934.60 : 3,173,153.10 = 1,359,608.20 : x
  2. Step 2: Convert to fraction form
    2,118,934.60/3,173,153.10 = 1,359,608.20/x
  3. Step 3: Cross multiply
    2,118,934.60x = 3,173,153.10 × 1,359,608.20
  4. Step 4: Simplify right side
    2,118,934.60x = 4,314,244,974,615.42
  5. Step 5: Solve for x
    x = 4,314,244,974,615.42/2,118,934.60
  6. Step 6: Final answer
    x = 2,036,044.42

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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.