Home / 2,147,445.20-3,223,241.40-1,307,637.20

Finding the Fourth Proportional to 2,147,445.20, 3,223,241.40 and 1,307,637.20

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Solution

The fourth proportional to 2,147,445.20, 3,223,241.40 and 1,307,637.20 is: 1,962,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,445.20 : 3,223,241.40 = 1,307,637.20 : x
  2. Step 2: Convert to fraction form
    2,147,445.20/3,223,241.40 = 1,307,637.20/x
  3. Step 3: Cross multiply
    2,147,445.20x = 3,223,241.40 × 1,307,637.20
  4. Step 4: Simplify right side
    2,147,445.20x = 4,214,830,359,220.08
  5. Step 5: Solve for x
    x = 4,214,830,359,220.08/2,147,445.20
  6. Step 6: Final answer
    x = 1,962,718.47

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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.