Home / 1,897,611.34-2,618,658.71-1,038,178.66

Finding the Fourth Proportional to 1,897,611.34, 2,618,658.71 and 1,038,178.66

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Solution

The fourth proportional to 1,897,611.34, 2,618,658.71 and 1,038,178.66 is: 1,432,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,611.34 : 2,618,658.71 = 1,038,178.66 : x
  2. Step 2: Convert to fraction form
    1,897,611.34/2,618,658.71 = 1,038,178.66/x
  3. Step 3: Cross multiply
    1,897,611.34x = 2,618,658.71 × 1,038,178.66
  4. Step 4: Simplify right side
    1,897,611.34x = 2,718,635,590,545.13
  5. Step 5: Solve for x
    x = 2,718,635,590,545.13/1,897,611.34
  6. Step 6: Final answer
    x = 1,432,661.96

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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.