Home / 2,382,721.08-3,288,633.36-1,415,665.20

Finding the Fourth Proportional to 2,382,721.08, 3,288,633.36 and 1,415,665.20

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Solution

The fourth proportional to 2,382,721.08, 3,288,633.36 and 1,415,665.20 is: 1,953,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382,721.08 : 3,288,633.36 = 1,415,665.20 : x
  2. Step 2: Convert to fraction form
    2,382,721.08/3,288,633.36 = 1,415,665.20/x
  3. Step 3: Cross multiply
    2,382,721.08x = 3,288,633.36 × 1,415,665.20
  4. Step 4: Simplify right side
    2,382,721.08x = 4,655,603,803,311.07
  5. Step 5: Solve for x
    x = 4,655,603,803,311.07/2,382,721.08
  6. Step 6: Final answer
    x = 1,953,902.13

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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.