Home / 7,280,429.80-10,920,644.70-2,487,400.60

Finding the Fourth Proportional to 7,280,429.80, 10,920,644.70 and 2,487,400.60

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Solution

The fourth proportional to 7,280,429.80, 10,920,644.70 and 2,487,400.60 is: 3,731,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,429.80 : 10,920,644.70 = 2,487,400.60 : x
  2. Step 2: Convert to fraction form
    7,280,429.80/10,920,644.70 = 2,487,400.60/x
  3. Step 3: Cross multiply
    7,280,429.80x = 10,920,644.70 × 2,487,400.60
  4. Step 4: Simplify right side
    7,280,429.80x = 27,164,018,179,166.82
  5. Step 5: Solve for x
    x = 27,164,018,179,166.82/7,280,429.80
  6. Step 6: Final answer
    x = 3,731,100.90

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1.5x scale

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.