Home / 2,628,565.38-3,627,417.69-1,421,338.50

Finding the Fourth Proportional to 2,628,565.38, 3,627,417.69 and 1,421,338.50

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Solution

The fourth proportional to 2,628,565.38, 3,627,417.69 and 1,421,338.50 is: 1,961,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,565.38 : 3,627,417.69 = 1,421,338.50 : x
  2. Step 2: Convert to fraction form
    2,628,565.38/3,627,417.69 = 1,421,338.50/x
  3. Step 3: Cross multiply
    2,628,565.38x = 3,627,417.69 × 1,421,338.50
  4. Step 4: Simplify right side
    2,628,565.38x = 5,155,788,418,378.06
  5. Step 5: Solve for x
    x = 5,155,788,418,378.06/2,628,565.38
  6. Step 6: Final answer
    x = 1,961,445.76

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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.