Home / 2,103,510.40-3,156,043.20-842,243.20

Finding the Fourth Proportional to 2,103,510.40, 3,156,043.20 and 842,243.20

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Solution

The fourth proportional to 2,103,510.40, 3,156,043.20 and 842,243.20 is: 1,263,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,510.40 : 3,156,043.20 = 842,243.20 : x
  2. Step 2: Convert to fraction form
    2,103,510.40/3,156,043.20 = 842,243.20/x
  3. Step 3: Cross multiply
    2,103,510.40x = 3,156,043.20 × 842,243.20
  4. Step 4: Simplify right side
    2,103,510.40x = 2,658,155,924,106.24
  5. Step 5: Solve for x
    x = 2,658,155,924,106.24/2,103,510.40
  6. Step 6: Final answer
    x = 1,263,676.15

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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.