Home / 2,896,820.40-4,345,230.60-1,775,521.20

Finding the Fourth Proportional to 2,896,820.40, 4,345,230.60 and 1,775,521.20

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Solution

The fourth proportional to 2,896,820.40, 4,345,230.60 and 1,775,521.20 is: 2,663,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,820.40 : 4,345,230.60 = 1,775,521.20 : x
  2. Step 2: Convert to fraction form
    2,896,820.40/4,345,230.60 = 1,775,521.20/x
  3. Step 3: Cross multiply
    2,896,820.40x = 4,345,230.60 × 1,775,521.20
  4. Step 4: Simplify right side
    2,896,820.40x = 7,715,049,049,188.72
  5. Step 5: Solve for x
    x = 7,715,049,049,188.72/2,896,820.40
  6. Step 6: Final answer
    x = 2,663,281.80

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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.