Home / 2,775,140.47-3,830,874.35-1,687,761.32

Finding the Fourth Proportional to 2,775,140.47, 3,830,874.35 and 1,687,761.32

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Solution

The fourth proportional to 2,775,140.47, 3,830,874.35 and 1,687,761.32 is: 2,329,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,140.47 : 3,830,874.35 = 1,687,761.32 : x
  2. Step 2: Convert to fraction form
    2,775,140.47/3,830,874.35 = 1,687,761.32/x
  3. Step 3: Cross multiply
    2,775,140.47x = 3,830,874.35 × 1,687,761.32
  4. Step 4: Simplify right side
    2,775,140.47x = 6,465,601,549,710.14
  5. Step 5: Solve for x
    x = 6,465,601,549,710.14/2,775,140.47
  6. Step 6: Final answer
    x = 2,329,828.57

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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.