Home / 2,186,505.40-3,282,215.70-1,690,070.20

Finding the Fourth Proportional to 2,186,505.40, 3,282,215.70 and 1,690,070.20

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Solution

The fourth proportional to 2,186,505.40, 3,282,215.70 and 1,690,070.20 is: 2,537,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,505.40 : 3,282,215.70 = 1,690,070.20 : x
  2. Step 2: Convert to fraction form
    2,186,505.40/3,282,215.70 = 1,690,070.20/x
  3. Step 3: Cross multiply
    2,186,505.40x = 3,282,215.70 × 1,690,070.20
  4. Step 4: Simplify right side
    2,186,505.40x = 5,547,174,944,542.14
  5. Step 5: Solve for x
    x = 5,547,174,944,542.14/2,186,505.40
  6. Step 6: Final answer
    x = 2,537,004.91

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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.