Home / 3,603,068-4,972,296.88-1,971,618.40

Finding the Fourth Proportional to 3,603,068, 4,972,296.88 and 1,971,618.40

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Solution

The fourth proportional to 3,603,068, 4,972,296.88 and 1,971,618.40 is: 2,720,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,068 : 4,972,296.88 = 1,971,618.40 : x
  2. Step 2: Convert to fraction form
    3,603,068/4,972,296.88 = 1,971,618.40/x
  3. Step 3: Cross multiply
    3,603,068x = 4,972,296.88 × 1,971,618.40
  4. Step 4: Simplify right side
    3,603,068x = 9,803,472,018,870.59
  5. Step 5: Solve for x
    x = 9,803,472,018,870.59/3,603,068
  6. Step 6: Final answer
    x = 2,720,867.89

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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.