Home / 5,423,570.35-8,129,678.89-1,828,094.56

Finding the Fourth Proportional to 5,423,570.35, 8,129,678.89 and 1,828,094.56

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Solution

The fourth proportional to 5,423,570.35, 8,129,678.89 and 1,828,094.56 is: 2,740,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,570.35 : 8,129,678.89 = 1,828,094.56 : x
  2. Step 2: Convert to fraction form
    5,423,570.35/8,129,678.89 = 1,828,094.56/x
  3. Step 3: Cross multiply
    5,423,570.35x = 8,129,678.89 × 1,828,094.56
  4. Step 4: Simplify right side
    5,423,570.35x = 14,861,821,753,355.84
  5. Step 5: Solve for x
    x = 14,861,821,753,355.84/5,423,570.35
  6. Step 6: Final answer
    x = 2,740,228.45

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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.