Home / 2,934,867.60-4,402,301.40-2,131,801.20

Finding the Fourth Proportional to 2,934,867.60, 4,402,301.40 and 2,131,801.20

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Solution

The fourth proportional to 2,934,867.60, 4,402,301.40 and 2,131,801.20 is: 3,197,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,867.60 : 4,402,301.40 = 2,131,801.20 : x
  2. Step 2: Convert to fraction form
    2,934,867.60/4,402,301.40 = 2,131,801.20/x
  3. Step 3: Cross multiply
    2,934,867.60x = 4,402,301.40 × 2,131,801.20
  4. Step 4: Simplify right side
    2,934,867.60x = 9,384,831,407,281.68
  5. Step 5: Solve for x
    x = 9,384,831,407,281.68/2,934,867.60
  6. Step 6: Final answer
    x = 3,197,701.80

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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.