Home / 1,870,678.28-2,579,814.42-1,225,864.28

Finding the Fourth Proportional to 1,870,678.28, 2,579,814.42 and 1,225,864.28

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Solution

The fourth proportional to 1,870,678.28, 2,579,814.42 and 1,225,864.28 is: 1,690,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,678.28 : 2,579,814.42 = 1,225,864.28 : x
  2. Step 2: Convert to fraction form
    1,870,678.28/2,579,814.42 = 1,225,864.28/x
  3. Step 3: Cross multiply
    1,870,678.28x = 2,579,814.42 × 1,225,864.28
  4. Step 4: Simplify right side
    1,870,678.28x = 3,162,502,346,506.92
  5. Step 5: Solve for x
    x = 3,162,502,346,506.92/1,870,678.28
  6. Step 6: Final answer
    x = 1,690,564.53

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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.