Home / 2,911,242.20-4,017,530.70-1,688,273.85

Finding the Fourth Proportional to 2,911,242.20, 4,017,530.70 and 1,688,273.85

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Solution

The fourth proportional to 2,911,242.20, 4,017,530.70 and 1,688,273.85 is: 2,329,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,242.20 : 4,017,530.70 = 1,688,273.85 : x
  2. Step 2: Convert to fraction form
    2,911,242.20/4,017,530.70 = 1,688,273.85/x
  3. Step 3: Cross multiply
    2,911,242.20x = 4,017,530.70 × 1,688,273.85
  4. Step 4: Simplify right side
    2,911,242.20x = 6,782,692,037,447.94
  5. Step 5: Solve for x
    x = 6,782,692,037,447.94/2,911,242.20
  6. Step 6: Final answer
    x = 2,329,827.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.