Home / 1,994,385.90-2,989,537.65-981,950.70

Finding the Fourth Proportional to 1,994,385.90, 2,989,537.65 and 981,950.70

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Solution

The fourth proportional to 1,994,385.90, 2,989,537.65 and 981,950.70 is: 1,471,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,385.90 : 2,989,537.65 = 981,950.70 : x
  2. Step 2: Convert to fraction form
    1,994,385.90/2,989,537.65 = 981,950.70/x
  3. Step 3: Cross multiply
    1,994,385.90x = 2,989,537.65 × 981,950.70
  4. Step 4: Simplify right side
    1,994,385.90x = 2,935,578,588,093.86
  5. Step 5: Solve for x
    x = 2,935,578,588,093.86/1,994,385.90
  6. Step 6: Final answer
    x = 1,471,921.05

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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.