Home / 1,980,586.55-2,971,983.49-1,069,750.67

Finding the Fourth Proportional to 1,980,586.55, 2,971,983.49 and 1,069,750.67

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Solution

The fourth proportional to 1,980,586.55, 2,971,983.49 and 1,069,750.67 is: 1,605,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,586.55 : 2,971,983.49 = 1,069,750.67 : x
  2. Step 2: Convert to fraction form
    1,980,586.55/2,971,983.49 = 1,069,750.67/x
  3. Step 3: Cross multiply
    1,980,586.55x = 2,971,983.49 × 1,069,750.67
  4. Step 4: Simplify right side
    1,980,586.55x = 3,179,281,312,122.14
  5. Step 5: Solve for x
    x = 3,179,281,312,122.14/1,980,586.55
  6. Step 6: Final answer
    x = 1,605,222.10

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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.