Home / 2,989,603.80-4,484,405.70-1,395,280.80

Finding the Fourth Proportional to 2,989,603.80, 4,484,405.70 and 1,395,280.80

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Solution

The fourth proportional to 2,989,603.80, 4,484,405.70 and 1,395,280.80 is: 2,092,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,603.80 : 4,484,405.70 = 1,395,280.80 : x
  2. Step 2: Convert to fraction form
    2,989,603.80/4,484,405.70 = 1,395,280.80/x
  3. Step 3: Cross multiply
    2,989,603.80x = 4,484,405.70 × 1,395,280.80
  4. Step 4: Simplify right side
    2,989,603.80x = 6,257,005,172,620.56
  5. Step 5: Solve for x
    x = 6,257,005,172,620.56/2,989,603.80
  6. Step 6: Final answer
    x = 2,092,921.20

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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.