Home / 2,678,220.60-4,017,363.60-785,000.34

Finding the Fourth Proportional to 2,678,220.60, 4,017,363.60 and 785,000.34

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Solution

The fourth proportional to 2,678,220.60, 4,017,363.60 and 785,000.34 is: 1,177,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,220.60 : 4,017,363.60 = 785,000.34 : x
  2. Step 2: Convert to fraction form
    2,678,220.60/4,017,363.60 = 785,000.34/x
  3. Step 3: Cross multiply
    2,678,220.60x = 4,017,363.60 × 785,000.34
  4. Step 4: Simplify right side
    2,678,220.60x = 3,153,631,791,903.62
  5. Step 5: Solve for x
    x = 3,153,631,791,903.62/2,678,220.60
  6. Step 6: Final answer
    x = 1,177,510.09

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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.