Home / 1,997,598.65-2,998,530.29-860,921.79

Finding the Fourth Proportional to 1,997,598.65, 2,998,530.29 and 860,921.79

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Solution

The fourth proportional to 1,997,598.65, 2,998,530.29 and 860,921.79 is: 1,292,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,598.65 : 2,998,530.29 = 860,921.79 : x
  2. Step 2: Convert to fraction form
    1,997,598.65/2,998,530.29 = 860,921.79/x
  3. Step 3: Cross multiply
    1,997,598.65x = 2,998,530.29 × 860,921.79
  4. Step 4: Simplify right side
    1,997,598.65x = 2,581,500,060,331.41
  5. Step 5: Solve for x
    x = 2,581,500,060,331.41/1,997,598.65
  6. Step 6: Final answer
    x = 1,292,301.67

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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.