Home / 2,090,445.20-3,134,890.20-828,011.60

Finding the Fourth Proportional to 2,090,445.20, 3,134,890.20 and 828,011.60

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Solution

The fourth proportional to 2,090,445.20, 3,134,890.20 and 828,011.60 is: 1,241,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,445.20 : 3,134,890.20 = 828,011.60 : x
  2. Step 2: Convert to fraction form
    2,090,445.20/3,134,890.20 = 828,011.60/x
  3. Step 3: Cross multiply
    2,090,445.20x = 3,134,890.20 × 828,011.60
  4. Step 4: Simplify right side
    2,090,445.20x = 2,595,725,450,326.32
  5. Step 5: Solve for x
    x = 2,595,725,450,326.32/2,090,445.20
  6. Step 6: Final answer
    x = 1,241,709.40

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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.