Home / 3,532,372.66-4,875,434.01-2,155,421.40

Finding the Fourth Proportional to 3,532,372.66, 4,875,434.01 and 2,155,421.40

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Solution

The fourth proportional to 3,532,372.66, 4,875,434.01 and 2,155,421.40 is: 2,974,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,372.66 : 4,875,434.01 = 2,155,421.40 : x
  2. Step 2: Convert to fraction form
    3,532,372.66/4,875,434.01 = 2,155,421.40/x
  3. Step 3: Cross multiply
    3,532,372.66x = 4,875,434.01 × 2,155,421.40
  4. Step 4: Simplify right side
    3,532,372.66x = 10,508,614,799,441.81
  5. Step 5: Solve for x
    x = 10,508,614,799,441.81/3,532,372.66
  6. Step 6: Final answer
    x = 2,974,945.12

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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.