Home / 2,903,721.60-4,357,137.60-1,220,995.20

Finding the Fourth Proportional to 2,903,721.60, 4,357,137.60 and 1,220,995.20

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Solution

The fourth proportional to 2,903,721.60, 4,357,137.60 and 1,220,995.20 is: 1,832,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903,721.60 : 4,357,137.60 = 1,220,995.20 : x
  2. Step 2: Convert to fraction form
    2,903,721.60/4,357,137.60 = 1,220,995.20/x
  3. Step 3: Cross multiply
    2,903,721.60x = 4,357,137.60 × 1,220,995.20
  4. Step 4: Simplify right side
    2,903,721.60x = 5,320,044,095,339.52
  5. Step 5: Solve for x
    x = 5,320,044,095,339.52/2,903,721.60
  6. Step 6: Final answer
    x = 1,832,146.75

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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.