Home / 1,897,486.74-2,618,522.37-1,038,031.38

Finding the Fourth Proportional to 1,897,486.74, 2,618,522.37 and 1,038,031.38

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Solution

The fourth proportional to 1,897,486.74, 2,618,522.37 and 1,038,031.38 is: 1,432,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,486.74 : 2,618,522.37 = 1,038,031.38 : x
  2. Step 2: Convert to fraction form
    1,897,486.74/2,618,522.37 = 1,038,031.38/x
  3. Step 3: Cross multiply
    1,897,486.74x = 2,618,522.37 × 1,038,031.38
  4. Step 4: Simplify right side
    1,897,486.74x = 2,718,108,389,291.97
  5. Step 5: Solve for x
    x = 2,718,108,389,291.97/1,897,486.74
  6. Step 6: Final answer
    x = 1,432,478.20

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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.