Home / 5,614,895.20-8,422,342.80-2,020,779.40

Finding the Fourth Proportional to 5,614,895.20, 8,422,342.80 and 2,020,779.40

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Solution

The fourth proportional to 5,614,895.20, 8,422,342.80 and 2,020,779.40 is: 3,031,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614,895.20 : 8,422,342.80 = 2,020,779.40 : x
  2. Step 2: Convert to fraction form
    5,614,895.20/8,422,342.80 = 2,020,779.40/x
  3. Step 3: Cross multiply
    5,614,895.20x = 8,422,342.80 × 2,020,779.40
  4. Step 4: Simplify right side
    5,614,895.20x = 17,019,696,829,978.32
  5. Step 5: Solve for x
    x = 17,019,696,829,978.32/5,614,895.20
  6. Step 6: Final answer
    x = 3,031,169.10

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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.