Home / 3,429,208.80-4,730,139.18-2,203,407.45

Finding the Fourth Proportional to 3,429,208.80, 4,730,139.18 and 2,203,407.45

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Solution

The fourth proportional to 3,429,208.80, 4,730,139.18 and 2,203,407.45 is: 3,039,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,208.80 : 4,730,139.18 = 2,203,407.45 : x
  2. Step 2: Convert to fraction form
    3,429,208.80/4,730,139.18 = 2,203,407.45/x
  3. Step 3: Cross multiply
    3,429,208.80x = 4,730,139.18 × 2,203,407.45
  4. Step 4: Simplify right side
    3,429,208.80x = 10,422,423,908,748.89
  5. Step 5: Solve for x
    x = 10,422,423,908,748.89/3,429,208.80
  6. Step 6: Final answer
    x = 3,039,308.63

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1.5x scale

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.