Home / 2,779,240.40-4,168,860.60-2,149,384.40

Finding the Fourth Proportional to 2,779,240.40, 4,168,860.60 and 2,149,384.40

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Solution

The fourth proportional to 2,779,240.40, 4,168,860.60 and 2,149,384.40 is: 3,224,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,240.40 : 4,168,860.60 = 2,149,384.40 : x
  2. Step 2: Convert to fraction form
    2,779,240.40/4,168,860.60 = 2,149,384.40/x
  3. Step 3: Cross multiply
    2,779,240.40x = 4,168,860.60 × 2,149,384.40
  4. Step 4: Simplify right side
    2,779,240.40x = 8,960,483,939,414.64
  5. Step 5: Solve for x
    x = 8,960,483,939,414.64/2,779,240.40
  6. Step 6: Final answer
    x = 3,224,076.60

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Similar ratio
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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.