Home / 1,980,674.16-2,972,115.13-1,069,838.23

Finding the Fourth Proportional to 1,980,674.16, 2,972,115.13 and 1,069,838.23

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Solution

The fourth proportional to 1,980,674.16, 2,972,115.13 and 1,069,838.23 is: 1,605,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,674.16 : 2,972,115.13 = 1,069,838.23 : x
  2. Step 2: Convert to fraction form
    1,980,674.16/2,972,115.13 = 1,069,838.23/x
  3. Step 3: Cross multiply
    1,980,674.16x = 2,972,115.13 × 1,069,838.23
  4. Step 4: Simplify right side
    1,980,674.16x = 3,179,682,390,035.42
  5. Step 5: Solve for x
    x = 3,179,682,390,035.42/1,980,674.16
  6. Step 6: Final answer
    x = 1,605,353.60

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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.