Home / 1,913,170.31-2,869,920.70-493,214.39

Finding the Fourth Proportional to 1,913,170.31, 2,869,920.70 and 493,214.39

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Solution

The fourth proportional to 1,913,170.31, 2,869,920.70 and 493,214.39 is: 739,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,170.31 : 2,869,920.70 = 493,214.39 : x
  2. Step 2: Convert to fraction form
    1,913,170.31/2,869,920.70 = 493,214.39/x
  3. Step 3: Cross multiply
    1,913,170.31x = 2,869,920.70 × 493,214.39
  4. Step 4: Simplify right side
    1,913,170.31x = 1,415,486,171,816.23
  5. Step 5: Solve for x
    x = 1,415,486,171,816.23/1,913,170.31
  6. Step 6: Final answer
    x = 739,864.18

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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.