Home / 1,948,935.40-2,919,903.90-1,668,999.40

Finding the Fourth Proportional to 1,948,935.40, 2,919,903.90 and 1,668,999.40

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Solution

The fourth proportional to 1,948,935.40, 2,919,903.90 and 1,668,999.40 is: 2,500,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,935.40 : 2,919,903.90 = 1,668,999.40 : x
  2. Step 2: Convert to fraction form
    1,948,935.40/2,919,903.90 = 1,668,999.40/x
  3. Step 3: Cross multiply
    1,948,935.40x = 2,919,903.90 × 1,668,999.40
  4. Step 4: Simplify right side
    1,948,935.40x = 4,873,317,857,157.66
  5. Step 5: Solve for x
    x = 4,873,317,857,157.66/1,948,935.40
  6. Step 6: Final answer
    x = 2,500,502.51

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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.