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Finding the Fourth Proportional to 1,842,893.10, 2,764,339.65 and 1,648,031.40

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Solution

The fourth proportional to 1,842,893.10, 2,764,339.65 and 1,648,031.40 is: 2,472,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,893.10 : 2,764,339.65 = 1,648,031.40 : x
  2. Step 2: Convert to fraction form
    1,842,893.10/2,764,339.65 = 1,648,031.40/x
  3. Step 3: Cross multiply
    1,842,893.10x = 2,764,339.65 × 1,648,031.40
  4. Step 4: Simplify right side
    1,842,893.10x = 4,555,718,543,465.01
  5. Step 5: Solve for x
    x = 4,555,718,543,465.01/1,842,893.10
  6. Step 6: Final answer
    x = 2,472,047.10

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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.