Home / 5,172,492.76-7,138,261.48-2,880,653.46

Finding the Fourth Proportional to 5,172,492.76, 7,138,261.48 and 2,880,653.46

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Solution

The fourth proportional to 5,172,492.76, 7,138,261.48 and 2,880,653.46 is: 3,975,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,492.76 : 7,138,261.48 = 2,880,653.46 : x
  2. Step 2: Convert to fraction form
    5,172,492.76/7,138,261.48 = 2,880,653.46/x
  3. Step 3: Cross multiply
    5,172,492.76x = 7,138,261.48 × 2,880,653.46
  4. Step 4: Simplify right side
    5,172,492.76x = 20,562,857,630,746.72
  5. Step 5: Solve for x
    x = 20,562,857,630,746.72/5,172,492.76
  6. Step 6: Final answer
    x = 3,975,425.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.