Home / 1,875,982.66-2,813,284.70-644,641.39

Finding the Fourth Proportional to 1,875,982.66, 2,813,284.70 and 644,641.39

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Solution

The fourth proportional to 1,875,982.66, 2,813,284.70 and 644,641.39 is: 966,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,982.66 : 2,813,284.70 = 644,641.39 : x
  2. Step 2: Convert to fraction form
    1,875,982.66/2,813,284.70 = 644,641.39/x
  3. Step 3: Cross multiply
    1,875,982.66x = 2,813,284.70 × 644,641.39
  4. Step 4: Simplify right side
    1,875,982.66x = 1,813,559,749,217.31
  5. Step 5: Solve for x
    x = 1,813,559,749,217.31/1,875,982.66
  6. Step 6: Final answer
    x = 966,725.22

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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.