Home / 1,709,081.64-2,560,240.98-1,389,590.10

Finding the Fourth Proportional to 1,709,081.64, 2,560,240.98 and 1,389,590.10

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Solution

The fourth proportional to 1,709,081.64, 2,560,240.98 and 1,389,590.10 is: 2,081,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,081.64 : 2,560,240.98 = 1,389,590.10 : x
  2. Step 2: Convert to fraction form
    1,709,081.64/2,560,240.98 = 1,389,590.10/x
  3. Step 3: Cross multiply
    1,709,081.64x = 2,560,240.98 × 1,389,590.10
  4. Step 4: Simplify right side
    1,709,081.64x = 3,557,685,519,422.30
  5. Step 5: Solve for x
    x = 3,557,685,519,422.30/1,709,081.64
  6. Step 6: Final answer
    x = 2,081,635.80

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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.