Home / 2,198,960.60-3,299,024.10-778,868.60

Finding the Fourth Proportional to 2,198,960.60, 3,299,024.10 and 778,868.60

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Solution

The fourth proportional to 2,198,960.60, 3,299,024.10 and 778,868.60 is: 1,168,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,960.60 : 3,299,024.10 = 778,868.60 : x
  2. Step 2: Convert to fraction form
    2,198,960.60/3,299,024.10 = 778,868.60/x
  3. Step 3: Cross multiply
    2,198,960.60x = 3,299,024.10 × 778,868.60
  4. Step 4: Simplify right side
    2,198,960.60x = 2,569,506,282,133.26
  5. Step 5: Solve for x
    x = 2,569,506,282,133.26/2,198,960.60
  6. Step 6: Final answer
    x = 1,168,509.47

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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.