Home / 2,988,363.94-4,123,820-1,765,065.48

Finding the Fourth Proportional to 2,988,363.94, 4,123,820 and 1,765,065.48

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Solution

The fourth proportional to 2,988,363.94, 4,123,820 and 1,765,065.48 is: 2,435,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,363.94 : 4,123,820 = 1,765,065.48 : x
  2. Step 2: Convert to fraction form
    2,988,363.94/4,123,820 = 1,765,065.48/x
  3. Step 3: Cross multiply
    2,988,363.94x = 4,123,820 × 1,765,065.48
  4. Step 4: Simplify right side
    2,988,363.94x = 7,278,812,327,733.60
  5. Step 5: Solve for x
    x = 7,278,812,327,733.60/2,988,363.94
  6. Step 6: Final answer
    x = 2,435,718.16

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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.