Home / 1,781,323.70-2,678,206.35-1,743,998.90

Finding the Fourth Proportional to 1,781,323.70, 2,678,206.35 and 1,743,998.90

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Solution

The fourth proportional to 1,781,323.70, 2,678,206.35 and 1,743,998.90 is: 2,622,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,323.70 : 2,678,206.35 = 1,743,998.90 : x
  2. Step 2: Convert to fraction form
    1,781,323.70/2,678,206.35 = 1,743,998.90/x
  3. Step 3: Cross multiply
    1,781,323.70x = 2,678,206.35 × 1,743,998.90
  4. Step 4: Simplify right side
    1,781,323.70x = 4,670,788,928,373.01
  5. Step 5: Solve for x
    x = 4,670,788,928,373.01/1,781,323.70
  6. Step 6: Final answer
    x = 2,622,088.80

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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.