Home / 1,897,085.76-2,845,419.02-477,142.38

Finding the Fourth Proportional to 1,897,085.76, 2,845,419.02 and 477,142.38

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Solution

The fourth proportional to 1,897,085.76, 2,845,419.02 and 477,142.38 is: 715,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,085.76 : 2,845,419.02 = 477,142.38 : x
  2. Step 2: Convert to fraction form
    1,897,085.76/2,845,419.02 = 477,142.38/x
  3. Step 3: Cross multiply
    1,897,085.76x = 2,845,419.02 × 477,142.38
  4. Step 4: Simplify right side
    1,897,085.76x = 1,357,670,003,300.07
  5. Step 5: Solve for x
    x = 1,357,670,003,300.07/1,897,085.76
  6. Step 6: Final answer
    x = 715,660.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.