Home / 1,853,666.79-2,779,434.54-988,035.45

Finding the Fourth Proportional to 1,853,666.79, 2,779,434.54 and 988,035.45

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Solution

The fourth proportional to 1,853,666.79, 2,779,434.54 and 988,035.45 is: 1,481,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,666.79 : 2,779,434.54 = 988,035.45 : x
  2. Step 2: Convert to fraction form
    1,853,666.79/2,779,434.54 = 988,035.45/x
  3. Step 3: Cross multiply
    1,853,666.79x = 2,779,434.54 × 988,035.45
  4. Step 4: Simplify right side
    1,853,666.79x = 2,746,179,856,474.44
  5. Step 5: Solve for x
    x = 2,746,179,856,474.44/1,853,666.79
  6. Step 6: Final answer
    x = 1,481,485.17

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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.