Home / 2,187,259.20-3,017,204.64-1,281,666.24

Finding the Fourth Proportional to 2,187,259.20, 3,017,204.64 and 1,281,666.24

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Solution

The fourth proportional to 2,187,259.20, 3,017,204.64 and 1,281,666.24 is: 1,767,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,259.20 : 3,017,204.64 = 1,281,666.24 : x
  2. Step 2: Convert to fraction form
    2,187,259.20/3,017,204.64 = 1,281,666.24/x
  3. Step 3: Cross multiply
    2,187,259.20x = 3,017,204.64 × 1,281,666.24
  4. Step 4: Simplify right side
    2,187,259.20x = 3,867,049,326,259.35
  5. Step 5: Solve for x
    x = 3,867,049,326,259.35/2,187,259.20
  6. Step 6: Final answer
    x = 1,767,988.60

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1.5x scale

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.