Home / 4,320,111.60-6,480,165.32-1,287,400.07

Finding the Fourth Proportional to 4,320,111.60, 6,480,165.32 and 1,287,400.07

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Solution

The fourth proportional to 4,320,111.60, 6,480,165.32 and 1,287,400.07 is: 1,931,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,111.60 : 6,480,165.32 = 1,287,400.07 : x
  2. Step 2: Convert to fraction form
    4,320,111.60/6,480,165.32 = 1,287,400.07/x
  3. Step 3: Cross multiply
    4,320,111.60x = 6,480,165.32 × 1,287,400.07
  4. Step 4: Simplify right side
    4,320,111.60x = 8,342,565,286,579.57
  5. Step 5: Solve for x
    x = 8,342,565,286,579.57/4,320,111.60
  6. Step 6: Final answer
    x = 1,931,099.49

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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.