Home / 2,316,113.28-3,196,236.63-1,283,687.72

Finding the Fourth Proportional to 2,316,113.28, 3,196,236.63 and 1,283,687.72

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Solution

The fourth proportional to 2,316,113.28, 3,196,236.63 and 1,283,687.72 is: 1,771,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,113.28 : 3,196,236.63 = 1,283,687.72 : x
  2. Step 2: Convert to fraction form
    2,316,113.28/3,196,236.63 = 1,283,687.72/x
  3. Step 3: Cross multiply
    2,316,113.28x = 3,196,236.63 × 1,283,687.72
  4. Step 4: Simplify right side
    2,316,113.28x = 4,102,969,712,145.18
  5. Step 5: Solve for x
    x = 4,102,969,712,145.18/2,316,113.28
  6. Step 6: Final answer
    x = 1,771,489.22

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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.