Home / 2,912,381.69-4,018,913.80-1,671,705.38

Finding the Fourth Proportional to 2,912,381.69, 4,018,913.80 and 1,671,705.38

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Solution

The fourth proportional to 2,912,381.69, 4,018,913.80 and 1,671,705.38 is: 2,306,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,381.69 : 4,018,913.80 = 1,671,705.38 : x
  2. Step 2: Convert to fraction form
    2,912,381.69/4,018,913.80 = 1,671,705.38/x
  3. Step 3: Cross multiply
    2,912,381.69x = 4,018,913.80 × 1,671,705.38
  4. Step 4: Simplify right side
    2,912,381.69x = 6,718,439,827,084.27
  5. Step 5: Solve for x
    x = 6,718,439,827,084.27/2,912,381.69
  6. Step 6: Final answer
    x = 2,306,854.17

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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.