Home / 3,019,145-4,166,420.10-1,660,988.84

Finding the Fourth Proportional to 3,019,145, 4,166,420.10 and 1,660,988.84

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Solution

The fourth proportional to 3,019,145, 4,166,420.10 and 1,660,988.84 is: 2,292,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,145 : 4,166,420.10 = 1,660,988.84 : x
  2. Step 2: Convert to fraction form
    3,019,145/4,166,420.10 = 1,660,988.84/x
  3. Step 3: Cross multiply
    3,019,145x = 4,166,420.10 × 1,660,988.84
  4. Step 4: Simplify right side
    3,019,145x = 6,920,377,288,851.69
  5. Step 5: Solve for x
    x = 6,920,377,288,851.69/3,019,145
  6. Step 6: Final answer
    x = 2,292,164.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.