Home / 4,220,784.60-6,331,239.12-1,342,595.64

Finding the Fourth Proportional to 4,220,784.60, 6,331,239.12 and 1,342,595.64

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Solution

The fourth proportional to 4,220,784.60, 6,331,239.12 and 1,342,595.64 is: 2,013,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,784.60 : 6,331,239.12 = 1,342,595.64 : x
  2. Step 2: Convert to fraction form
    4,220,784.60/6,331,239.12 = 1,342,595.64/x
  3. Step 3: Cross multiply
    4,220,784.60x = 6,331,239.12 × 1,342,595.64
  4. Step 4: Simplify right side
    4,220,784.60x = 8,500,294,038,309.44
  5. Step 5: Solve for x
    x = 8,500,294,038,309.44/4,220,784.60
  6. Step 6: Final answer
    x = 2,013,913.25

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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.