Home / 1,816,389.69-2,506,488.30-1,081,304.97

Finding the Fourth Proportional to 1,816,389.69, 2,506,488.30 and 1,081,304.97

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Solution

The fourth proportional to 1,816,389.69, 2,506,488.30 and 1,081,304.97 is: 1,492,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,389.69 : 2,506,488.30 = 1,081,304.97 : x
  2. Step 2: Convert to fraction form
    1,816,389.69/2,506,488.30 = 1,081,304.97/x
  3. Step 3: Cross multiply
    1,816,389.69x = 2,506,488.30 × 1,081,304.97
  4. Step 4: Simplify right side
    1,816,389.69x = 2,710,278,256,036.85
  5. Step 5: Solve for x
    x = 2,710,278,256,036.85/1,816,389.69
  6. Step 6: Final answer
    x = 1,492,123.78

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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.