Home / 3,117,944-4,302,775.70-1,687,160

Finding the Fourth Proportional to 3,117,944, 4,302,775.70 and 1,687,160

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Solution

The fourth proportional to 3,117,944, 4,302,775.70 and 1,687,160 is: 2,328,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,944 : 4,302,775.70 = 1,687,160 : x
  2. Step 2: Convert to fraction form
    3,117,944/4,302,775.70 = 1,687,160/x
  3. Step 3: Cross multiply
    3,117,944x = 4,302,775.70 × 1,687,160
  4. Step 4: Simplify right side
    3,117,944x = 7,259,471,050,012
  5. Step 5: Solve for x
    x = 7,259,471,050,012/3,117,944
  6. Step 6: Final answer
    x = 2,328,287.82

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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.