Home / 2,127,562.20-2,935,921.14-1,209,664.63

Finding the Fourth Proportional to 2,127,562.20, 2,935,921.14 and 1,209,664.63

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Solution

The fourth proportional to 2,127,562.20, 2,935,921.14 and 1,209,664.63 is: 1,669,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,562.20 : 2,935,921.14 = 1,209,664.63 : x
  2. Step 2: Convert to fraction form
    2,127,562.20/2,935,921.14 = 1,209,664.63/x
  3. Step 3: Cross multiply
    2,127,562.20x = 2,935,921.14 × 1,209,664.63
  4. Step 4: Simplify right side
    2,127,562.20x = 3,551,479,963,197.18
  5. Step 5: Solve for x
    x = 3,551,479,963,197.18/2,127,562.20
  6. Step 6: Final answer
    x = 1,669,271.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.