Home / 7,605,643.48-11,408,880.74-1,925,917

Finding the Fourth Proportional to 7,605,643.48, 11,408,880.74 and 1,925,917

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Solution

The fourth proportional to 7,605,643.48, 11,408,880.74 and 1,925,917 is: 2,888,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605,643.48 : 11,408,880.74 = 1,925,917 : x
  2. Step 2: Convert to fraction form
    7,605,643.48/11,408,880.74 = 1,925,917/x
  3. Step 3: Cross multiply
    7,605,643.48x = 11,408,880.74 × 1,925,917
  4. Step 4: Simplify right side
    7,605,643.48x = 21,972,557,368,138.58
  5. Step 5: Solve for x
    x = 21,972,557,368,138.58/7,605,643.48
  6. Step 6: Final answer
    x = 2,888,980.72

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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.