Home / 2,860,272.72-4,290,406.60-730,357.20

Finding the Fourth Proportional to 2,860,272.72, 4,290,406.60 and 730,357.20

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Solution

The fourth proportional to 2,860,272.72, 4,290,406.60 and 730,357.20 is: 1,095,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,272.72 : 4,290,406.60 = 730,357.20 : x
  2. Step 2: Convert to fraction form
    2,860,272.72/4,290,406.60 = 730,357.20/x
  3. Step 3: Cross multiply
    2,860,272.72x = 4,290,406.60 × 730,357.20
  4. Step 4: Simplify right side
    2,860,272.72x = 3,133,529,351,237.52
  5. Step 5: Solve for x
    x = 3,133,529,351,237.52/2,860,272.72
  6. Step 6: Final answer
    x = 1,095,535.17

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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.