Home / 2,989,310.59-4,123,827.86-1,764,795.78

Finding the Fourth Proportional to 2,989,310.59, 4,123,827.86 and 1,764,795.78

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Solution

The fourth proportional to 2,989,310.59, 4,123,827.86 and 1,764,795.78 is: 2,434,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,310.59 : 4,123,827.86 = 1,764,795.78 : x
  2. Step 2: Convert to fraction form
    2,989,310.59/4,123,827.86 = 1,764,795.78/x
  3. Step 3: Cross multiply
    2,989,310.59x = 4,123,827.86 × 1,764,795.78
  4. Step 4: Simplify right side
    2,989,310.59x = 7,277,713,984,352.19
  5. Step 5: Solve for x
    x = 7,277,713,984,352.19/2,989,310.59
  6. Step 6: Final answer
    x = 2,434,579.40

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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.