Home / 3,641,218.39-5,457,260.47-1,931,140.90

Finding the Fourth Proportional to 3,641,218.39, 5,457,260.47 and 1,931,140.90

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Solution

The fourth proportional to 3,641,218.39, 5,457,260.47 and 1,931,140.90 is: 2,894,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,218.39 : 5,457,260.47 = 1,931,140.90 : x
  2. Step 2: Convert to fraction form
    3,641,218.39/5,457,260.47 = 1,931,140.90/x
  3. Step 3: Cross multiply
    3,641,218.39x = 5,457,260.47 × 1,931,140.90
  4. Step 4: Simplify right side
    3,641,218.39x = 10,538,738,878,635.23
  5. Step 5: Solve for x
    x = 10,538,738,878,635.23/3,641,218.39
  6. Step 6: Final answer
    x = 2,894,289.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.