Home / 1,853,668.79-2,779,437.54-988,037.45

Finding the Fourth Proportional to 1,853,668.79, 2,779,437.54 and 988,037.45

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Solution

The fourth proportional to 1,853,668.79, 2,779,437.54 and 988,037.45 is: 1,481,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,668.79 : 2,779,437.54 = 988,037.45 : x
  2. Step 2: Convert to fraction form
    1,853,668.79/2,779,437.54 = 988,037.45/x
  3. Step 3: Cross multiply
    1,853,668.79x = 2,779,437.54 × 988,037.45
  4. Step 4: Simplify right side
    1,853,668.79x = 2,746,188,379,455.87
  5. Step 5: Solve for x
    x = 2,746,188,379,455.87/1,853,668.79
  6. Step 6: Final answer
    x = 1,481,488.17

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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.