Home / 2,515,427.59-3,471,603.77-1,428,051.19

Finding the Fourth Proportional to 2,515,427.59, 3,471,603.77 and 1,428,051.19

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Solution

The fourth proportional to 2,515,427.59, 3,471,603.77 and 1,428,051.19 is: 1,970,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,427.59 : 3,471,603.77 = 1,428,051.19 : x
  2. Step 2: Convert to fraction form
    2,515,427.59/3,471,603.77 = 1,428,051.19/x
  3. Step 3: Cross multiply
    2,515,427.59x = 3,471,603.77 × 1,428,051.19
  4. Step 4: Simplify right side
    2,515,427.59x = 4,957,627,896,495.74
  5. Step 5: Solve for x
    x = 4,957,627,896,495.74/2,515,427.59
  6. Step 6: Final answer
    x = 1,970,888.73

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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.