Home / 4,871,930-6,722,808-2,911,419.12

Finding the Fourth Proportional to 4,871,930, 6,722,808 and 2,911,419.12

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Solution

The fourth proportional to 4,871,930, 6,722,808 and 2,911,419.12 is: 4,017,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,930 : 6,722,808 = 2,911,419.12 : x
  2. Step 2: Convert to fraction form
    4,871,930/6,722,808 = 2,911,419.12/x
  3. Step 3: Cross multiply
    4,871,930x = 6,722,808 × 2,911,419.12
  4. Step 4: Simplify right side
    4,871,930x = 19,572,911,751,288.96
  5. Step 5: Solve for x
    x = 19,572,911,751,288.96/4,871,930
  6. Step 6: Final answer
    x = 4,017,486.24

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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.