Home / 2,415,140.52-3,622,488.66-817,521

Finding the Fourth Proportional to 2,415,140.52, 3,622,488.66 and 817,521

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Solution

The fourth proportional to 2,415,140.52, 3,622,488.66 and 817,521 is: 1,226,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,140.52 : 3,622,488.66 = 817,521 : x
  2. Step 2: Convert to fraction form
    2,415,140.52/3,622,488.66 = 817,521/x
  3. Step 3: Cross multiply
    2,415,140.52x = 3,622,488.66 × 817,521
  4. Step 4: Simplify right side
    2,415,140.52x = 2,961,460,551,811.86
  5. Step 5: Solve for x
    x = 2,961,460,551,811.86/2,415,140.52
  6. Step 6: Final answer
    x = 1,226,206.31

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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.