Home / 2,971,389.07-4,091,335.54-2,320,643.71

Finding the Fourth Proportional to 2,971,389.07, 4,091,335.54 and 2,320,643.71

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Solution

The fourth proportional to 2,971,389.07, 4,091,335.54 and 2,320,643.71 is: 3,195,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,389.07 : 4,091,335.54 = 2,320,643.71 : x
  2. Step 2: Convert to fraction form
    2,971,389.07/4,091,335.54 = 2,320,643.71/x
  3. Step 3: Cross multiply
    2,971,389.07x = 4,091,335.54 × 2,320,643.71
  4. Step 4: Simplify right side
    2,971,389.07x = 9,494,532,086,400.45
  5. Step 5: Solve for x
    x = 9,494,532,086,400.45/2,971,389.07
  6. Step 6: Final answer
    x = 3,195,317.70

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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.