Home / 2,402,385.81-3,314,779.70-1,422,632.61

Finding the Fourth Proportional to 2,402,385.81, 3,314,779.70 and 1,422,632.61

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Solution

The fourth proportional to 2,402,385.81, 3,314,779.70 and 1,422,632.61 is: 1,962,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402,385.81 : 3,314,779.70 = 1,422,632.61 : x
  2. Step 2: Convert to fraction form
    2,402,385.81/3,314,779.70 = 1,422,632.61/x
  3. Step 3: Cross multiply
    2,402,385.81x = 3,314,779.70 × 1,422,632.61
  4. Step 4: Simplify right side
    2,402,385.81x = 4,715,713,689,072.85
  5. Step 5: Solve for x
    x = 4,715,713,689,072.85/2,402,385.81
  6. Step 6: Final answer
    x = 1,962,929.38

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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.