Home / 3,678,570.40-5,514,572.40-1,434,186.40

Finding the Fourth Proportional to 3,678,570.40, 5,514,572.40 and 1,434,186.40

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Solution

The fourth proportional to 3,678,570.40, 5,514,572.40 and 1,434,186.40 is: 2,149,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,570.40 : 5,514,572.40 = 1,434,186.40 : x
  2. Step 2: Convert to fraction form
    3,678,570.40/5,514,572.40 = 1,434,186.40/x
  3. Step 3: Cross multiply
    3,678,570.40x = 5,514,572.40 × 1,434,186.40
  4. Step 4: Simplify right side
    3,678,570.40x = 7,908,924,737,895.36
  5. Step 5: Solve for x
    x = 7,908,924,737,895.36/3,678,570.40
  6. Step 6: Final answer
    x = 2,149,999.56

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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.