Home / 3,208,130.55-4,810,757.28-1,911,895.07

Finding the Fourth Proportional to 3,208,130.55, 4,810,757.28 and 1,911,895.07

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Solution

The fourth proportional to 3,208,130.55, 4,810,757.28 and 1,911,895.07 is: 2,866,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,130.55 : 4,810,757.28 = 1,911,895.07 : x
  2. Step 2: Convert to fraction form
    3,208,130.55/4,810,757.28 = 1,911,895.07/x
  3. Step 3: Cross multiply
    3,208,130.55x = 4,810,757.28 × 1,911,895.07
  4. Step 4: Simplify right side
    3,208,130.55x = 9,197,663,126,598.61
  5. Step 5: Solve for x
    x = 9,197,663,126,598.61/3,208,130.55
  6. Step 6: Final answer
    x = 2,866,985.30

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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.