Home / 2,037,348.49-2,810,927.81-1,221,254.40

Finding the Fourth Proportional to 2,037,348.49, 2,810,927.81 and 1,221,254.40

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Solution

The fourth proportional to 2,037,348.49, 2,810,927.81 and 1,221,254.40 is: 1,684,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,348.49 : 2,810,927.81 = 1,221,254.40 : x
  2. Step 2: Convert to fraction form
    2,037,348.49/2,810,927.81 = 1,221,254.40/x
  3. Step 3: Cross multiply
    2,037,348.49x = 2,810,927.81 × 1,221,254.40
  4. Step 4: Simplify right side
    2,037,348.49x = 3,432,857,957,957.91
  5. Step 5: Solve for x
    x = 3,432,857,957,957.91/2,037,348.49
  6. Step 6: Final answer
    x = 1,684,963.56

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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.