Home / 2,186,358.60-3,017,167.02-1,219,488.15

Finding the Fourth Proportional to 2,186,358.60, 3,017,167.02 and 1,219,488.15

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Solution

The fourth proportional to 2,186,358.60, 3,017,167.02 and 1,219,488.15 is: 1,682,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,358.60 : 3,017,167.02 = 1,219,488.15 : x
  2. Step 2: Convert to fraction form
    2,186,358.60/3,017,167.02 = 1,219,488.15/x
  3. Step 3: Cross multiply
    2,186,358.60x = 3,017,167.02 × 1,219,488.15
  4. Step 4: Simplify right side
    2,186,358.60x = 3,679,399,427,460.81
  5. Step 5: Solve for x
    x = 3,679,399,427,460.81/2,186,358.60
  6. Step 6: Final answer
    x = 1,682,889.27

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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.