Home / 2,420,178.80-3,630,268.20-1,853,308.40

Finding the Fourth Proportional to 2,420,178.80, 3,630,268.20 and 1,853,308.40

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Solution

The fourth proportional to 2,420,178.80, 3,630,268.20 and 1,853,308.40 is: 2,779,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,178.80 : 3,630,268.20 = 1,853,308.40 : x
  2. Step 2: Convert to fraction form
    2,420,178.80/3,630,268.20 = 1,853,308.40/x
  3. Step 3: Cross multiply
    2,420,178.80x = 3,630,268.20 × 1,853,308.40
  4. Step 4: Simplify right side
    2,420,178.80x = 6,728,006,549,312.88
  5. Step 5: Solve for x
    x = 6,728,006,549,312.88/2,420,178.80
  6. Step 6: Final answer
    x = 2,779,962.60

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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.