Home / 1,897,712.65-2,618,908.86-1,038,272.95

Finding the Fourth Proportional to 1,897,712.65, 2,618,908.86 and 1,038,272.95

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Solution

The fourth proportional to 1,897,712.65, 2,618,908.86 and 1,038,272.95 is: 1,432,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,712.65 : 2,618,908.86 = 1,038,272.95 : x
  2. Step 2: Convert to fraction form
    1,897,712.65/2,618,908.86 = 1,038,272.95/x
  3. Step 3: Cross multiply
    1,897,712.65x = 2,618,908.86 × 1,038,272.95
  4. Step 4: Simplify right side
    1,897,712.65x = 2,719,142,227,853.34
  5. Step 5: Solve for x
    x = 2,719,142,227,853.34/1,897,712.65
  6. Step 6: Final answer
    x = 1,432,852.45

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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.