Home / 3,132,402.40-4,698,603.60-2,187,618.40

Finding the Fourth Proportional to 3,132,402.40, 4,698,603.60 and 2,187,618.40

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Solution

The fourth proportional to 3,132,402.40, 4,698,603.60 and 2,187,618.40 is: 3,281,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,402.40 : 4,698,603.60 = 2,187,618.40 : x
  2. Step 2: Convert to fraction form
    3,132,402.40/4,698,603.60 = 2,187,618.40/x
  3. Step 3: Cross multiply
    3,132,402.40x = 4,698,603.60 × 2,187,618.40
  4. Step 4: Simplify right side
    3,132,402.40x = 10,278,751,689,666.24
  5. Step 5: Solve for x
    x = 10,278,751,689,666.24/3,132,402.40
  6. Step 6: Final answer
    x = 3,281,427.60

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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.