Home / 2,630,100.60-3,945,150.90-946,985.40

Finding the Fourth Proportional to 2,630,100.60, 3,945,150.90 and 946,985.40

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Solution

The fourth proportional to 2,630,100.60, 3,945,150.90 and 946,985.40 is: 1,420,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,100.60 : 3,945,150.90 = 946,985.40 : x
  2. Step 2: Convert to fraction form
    2,630,100.60/3,945,150.90 = 946,985.40/x
  3. Step 3: Cross multiply
    2,630,100.60x = 3,945,150.90 × 946,985.40
  4. Step 4: Simplify right side
    2,630,100.60x = 3,736,000,303,096.86
  5. Step 5: Solve for x
    x = 3,736,000,303,096.86/2,630,100.60
  6. Step 6: Final answer
    x = 1,420,478.10

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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.