Home / 1,415,464.20-2,119,049.10-1,249,576.20

Finding the Fourth Proportional to 1,415,464.20, 2,119,049.10 and 1,249,576.20

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Solution

The fourth proportional to 1,415,464.20, 2,119,049.10 and 1,249,576.20 is: 1,870,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,464.20 : 2,119,049.10 = 1,249,576.20 : x
  2. Step 2: Convert to fraction form
    1,415,464.20/2,119,049.10 = 1,249,576.20/x
  3. Step 3: Cross multiply
    1,415,464.20x = 2,119,049.10 × 1,249,576.20
  4. Step 4: Simplify right side
    1,415,464.20x = 2,647,913,321,991.42
  5. Step 5: Solve for x
    x = 2,647,913,321,991.42/1,415,464.20
  6. Step 6: Final answer
    x = 1,870,703.14

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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.