Home / 5,605,270.43-8,407,905.76-1,345,438.67

Finding the Fourth Proportional to 5,605,270.43, 8,407,905.76 and 1,345,438.67

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Solution

The fourth proportional to 5,605,270.43, 8,407,905.76 and 1,345,438.67 is: 2,018,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605,270.43 : 8,407,905.76 = 1,345,438.67 : x
  2. Step 2: Convert to fraction form
    5,605,270.43/8,407,905.76 = 1,345,438.67/x
  3. Step 3: Cross multiply
    5,605,270.43x = 8,407,905.76 × 1,345,438.67
  4. Step 4: Simplify right side
    5,605,270.43x = 11,312,321,543,219.74
  5. Step 5: Solve for x
    x = 11,312,321,543,219.74/5,605,270.43
  6. Step 6: Final answer
    x = 2,018,158.03

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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.