Home / 2,692,500.85-4,038,751.28-2,586,212.65

Finding the Fourth Proportional to 2,692,500.85, 4,038,751.28 and 2,586,212.65

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Solution

The fourth proportional to 2,692,500.85, 4,038,751.28 and 2,586,212.65 is: 3,879,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,500.85 : 4,038,751.28 = 2,586,212.65 : x
  2. Step 2: Convert to fraction form
    2,692,500.85/4,038,751.28 = 2,586,212.65/x
  3. Step 3: Cross multiply
    2,692,500.85x = 4,038,751.28 × 2,586,212.65
  4. Step 4: Simplify right side
    2,692,500.85x = 10,445,069,637,608.63
  5. Step 5: Solve for x
    x = 10,445,069,637,608.63/2,692,500.85
  6. Step 6: Final answer
    x = 3,879,318.98

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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.