Home / 4,018,223.78-5,545,248.81-2,182,681.49

Finding the Fourth Proportional to 4,018,223.78, 5,545,248.81 and 2,182,681.49

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Solution

The fourth proportional to 4,018,223.78, 5,545,248.81 and 2,182,681.49 is: 3,012,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018,223.78 : 5,545,248.81 = 2,182,681.49 : x
  2. Step 2: Convert to fraction form
    4,018,223.78/5,545,248.81 = 2,182,681.49/x
  3. Step 3: Cross multiply
    4,018,223.78x = 5,545,248.81 × 2,182,681.49
  4. Step 4: Simplify right side
    4,018,223.78x = 12,103,511,935,031.53
  5. Step 5: Solve for x
    x = 12,103,511,935,031.53/4,018,223.78
  6. Step 6: Final answer
    x = 3,012,154.77

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1.5x scale

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.