Home / 1,972,433.41-2,721,931.51-1,101,281.45

Finding the Fourth Proportional to 1,972,433.41, 2,721,931.51 and 1,101,281.45

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Solution

The fourth proportional to 1,972,433.41, 2,721,931.51 and 1,101,281.45 is: 1,519,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,433.41 : 2,721,931.51 = 1,101,281.45 : x
  2. Step 2: Convert to fraction form
    1,972,433.41/2,721,931.51 = 1,101,281.45/x
  3. Step 3: Cross multiply
    1,972,433.41x = 2,721,931.51 × 1,101,281.45
  4. Step 4: Simplify right side
    1,972,433.41x = 2,997,612,680,133.49
  5. Step 5: Solve for x
    x = 2,997,612,680,133.49/1,972,433.41
  6. Step 6: Final answer
    x = 1,519,753.55

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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.