Home / 2,609,678.65-3,913,579.39-903,359.38

Finding the Fourth Proportional to 2,609,678.65, 3,913,579.39 and 903,359.38

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Solution

The fourth proportional to 2,609,678.65, 3,913,579.39 and 903,359.38 is: 1,354,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,678.65 : 3,913,579.39 = 903,359.38 : x
  2. Step 2: Convert to fraction form
    2,609,678.65/3,913,579.39 = 903,359.38/x
  3. Step 3: Cross multiply
    2,609,678.65x = 3,913,579.39 × 903,359.38
  4. Step 4: Simplify right side
    2,609,678.65x = 3,535,368,646,814.38
  5. Step 5: Solve for x
    x = 3,535,368,646,814.38/2,609,678.65
  6. Step 6: Final answer
    x = 1,354,714.17

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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.