Home / 1,869,316.52-2,803,973.72-449,372.12

Finding the Fourth Proportional to 1,869,316.52, 2,803,973.72 and 449,372.12

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Solution

The fourth proportional to 1,869,316.52, 2,803,973.72 and 449,372.12 is: 674,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,316.52 : 2,803,973.72 = 449,372.12 : x
  2. Step 2: Convert to fraction form
    1,869,316.52/2,803,973.72 = 449,372.12/x
  3. Step 3: Cross multiply
    1,869,316.52x = 2,803,973.72 × 449,372.12
  4. Step 4: Simplify right side
    1,869,316.52x = 1,260,027,614,980.69
  5. Step 5: Solve for x
    x = 1,260,027,614,980.69/1,869,316.52
  6. Step 6: Final answer
    x = 674,057.93

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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.