Home / 5,178,363.72-7,767,263.78-1,584,130.67

Finding the Fourth Proportional to 5,178,363.72, 7,767,263.78 and 1,584,130.67

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Solution

The fourth proportional to 5,178,363.72, 7,767,263.78 and 1,584,130.67 is: 2,376,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,363.72 : 7,767,263.78 = 1,584,130.67 : x
  2. Step 2: Convert to fraction form
    5,178,363.72/7,767,263.78 = 1,584,130.67/x
  3. Step 3: Cross multiply
    5,178,363.72x = 7,767,263.78 × 1,584,130.67
  4. Step 4: Simplify right side
    5,178,363.72x = 12,304,360,764,188.89
  5. Step 5: Solve for x
    x = 12,304,360,764,188.89/5,178,363.72
  6. Step 6: Final answer
    x = 2,376,109.80

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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.