Home / 3,030,685.70-4,182,385.02-1,790,336.85

Finding the Fourth Proportional to 3,030,685.70, 4,182,385.02 and 1,790,336.85

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Solution

The fourth proportional to 3,030,685.70, 4,182,385.02 and 1,790,336.85 is: 2,470,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,685.70 : 4,182,385.02 = 1,790,336.85 : x
  2. Step 2: Convert to fraction form
    3,030,685.70/4,182,385.02 = 1,790,336.85/x
  3. Step 3: Cross multiply
    3,030,685.70x = 4,182,385.02 × 1,790,336.85
  4. Step 4: Simplify right side
    3,030,685.70x = 7,487,878,037,877.93
  5. Step 5: Solve for x
    x = 7,487,878,037,877.93/3,030,685.70
  6. Step 6: Final answer
    x = 2,470,687.75

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1.5x scale

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.