Home / 3,081,490.70-4,252,547.26-1,686,136.10

Finding the Fourth Proportional to 3,081,490.70, 4,252,547.26 and 1,686,136.10

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Solution

The fourth proportional to 3,081,490.70, 4,252,547.26 and 1,686,136.10 is: 2,326,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,490.70 : 4,252,547.26 = 1,686,136.10 : x
  2. Step 2: Convert to fraction form
    3,081,490.70/4,252,547.26 = 1,686,136.10/x
  3. Step 3: Cross multiply
    3,081,490.70x = 4,252,547.26 × 1,686,136.10
  4. Step 4: Simplify right side
    3,081,490.70x = 7,170,373,452,042.09
  5. Step 5: Solve for x
    x = 7,170,373,452,042.09/3,081,490.70
  6. Step 6: Final answer
    x = 2,326,917.12

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Double scale
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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.