Home / 3,553,219.32-4,903,428.49-1,921,628.40

Finding the Fourth Proportional to 3,553,219.32, 4,903,428.49 and 1,921,628.40

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Solution

The fourth proportional to 3,553,219.32, 4,903,428.49 and 1,921,628.40 is: 2,651,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,219.32 : 4,903,428.49 = 1,921,628.40 : x
  2. Step 2: Convert to fraction form
    3,553,219.32/4,903,428.49 = 1,921,628.40/x
  3. Step 3: Cross multiply
    3,553,219.32x = 4,903,428.49 × 1,921,628.40
  4. Step 4: Simplify right side
    3,553,219.32x = 9,422,567,443,753.12
  5. Step 5: Solve for x
    x = 9,422,567,443,753.12/3,553,219.32
  6. Step 6: Final answer
    x = 2,651,839.53

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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.