Home / 2,920,490.02-4,380,889.74-900,121.60

Finding the Fourth Proportional to 2,920,490.02, 4,380,889.74 and 900,121.60

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Solution

The fourth proportional to 2,920,490.02, 4,380,889.74 and 900,121.60 is: 1,350,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,490.02 : 4,380,889.74 = 900,121.60 : x
  2. Step 2: Convert to fraction form
    2,920,490.02/4,380,889.74 = 900,121.60/x
  3. Step 3: Cross multiply
    2,920,490.02x = 4,380,889.74 × 900,121.60
  4. Step 4: Simplify right side
    2,920,490.02x = 3,943,333,482,192.38
  5. Step 5: Solve for x
    x = 3,943,333,482,192.38/2,920,490.02
  6. Step 6: Final answer
    x = 1,350,230.08

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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.