Home / 3,128,200.20-4,692,300.30-1,106,428.05

Finding the Fourth Proportional to 3,128,200.20, 4,692,300.30 and 1,106,428.05

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Solution

The fourth proportional to 3,128,200.20, 4,692,300.30 and 1,106,428.05 is: 1,659,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,200.20 : 4,692,300.30 = 1,106,428.05 : x
  2. Step 2: Convert to fraction form
    3,128,200.20/4,692,300.30 = 1,106,428.05/x
  3. Step 3: Cross multiply
    3,128,200.20x = 4,692,300.30 × 1,106,428.05
  4. Step 4: Simplify right side
    3,128,200.20x = 5,191,692,670,943.42
  5. Step 5: Solve for x
    x = 5,191,692,670,943.42/3,128,200.20
  6. Step 6: Final answer
    x = 1,659,642.08

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1.5x scale

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.