Home / 2,803,421.70-4,189,772.80-2,046,858.20

Finding the Fourth Proportional to 2,803,421.70, 4,189,772.80 and 2,046,858.20

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Solution

The fourth proportional to 2,803,421.70, 4,189,772.80 and 2,046,858.20 is: 3,059,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,421.70 : 4,189,772.80 = 2,046,858.20 : x
  2. Step 2: Convert to fraction form
    2,803,421.70/4,189,772.80 = 2,046,858.20/x
  3. Step 3: Cross multiply
    2,803,421.70x = 4,189,772.80 × 2,046,858.20
  4. Step 4: Simplify right side
    2,803,421.70x = 8,575,870,811,816.96
  5. Step 5: Solve for x
    x = 8,575,870,811,816.96/2,803,421.70
  6. Step 6: Final answer
    x = 3,059,072.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.