Home / 1,991,044.40-2,986,566.60-1,680,004.40

Finding the Fourth Proportional to 1,991,044.40, 2,986,566.60 and 1,680,004.40

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Solution

The fourth proportional to 1,991,044.40, 2,986,566.60 and 1,680,004.40 is: 2,520,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,044.40 : 2,986,566.60 = 1,680,004.40 : x
  2. Step 2: Convert to fraction form
    1,991,044.40/2,986,566.60 = 1,680,004.40/x
  3. Step 3: Cross multiply
    1,991,044.40x = 2,986,566.60 × 1,680,004.40
  4. Step 4: Simplify right side
    1,991,044.40x = 5,017,445,028,893.04
  5. Step 5: Solve for x
    x = 5,017,445,028,893.04/1,991,044.40
  6. Step 6: Final answer
    x = 2,520,006.60

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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.