Home / 5,378,447.95-7,422,069.65-2,931,009.06

Finding the Fourth Proportional to 5,378,447.95, 7,422,069.65 and 2,931,009.06

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Solution

The fourth proportional to 5,378,447.95, 7,422,069.65 and 2,931,009.06 is: 4,044,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,447.95 : 7,422,069.65 = 2,931,009.06 : x
  2. Step 2: Convert to fraction form
    5,378,447.95/7,422,069.65 = 2,931,009.06/x
  3. Step 3: Cross multiply
    5,378,447.95x = 7,422,069.65 × 2,931,009.06
  4. Step 4: Simplify right side
    5,378,447.95x = 21,754,153,376,016.53
  5. Step 5: Solve for x
    x = 21,754,153,376,016.53/5,378,447.95
  6. Step 6: Final answer
    x = 4,044,689.76

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1.5x scale

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.