Home / 3,115,661.60-4,673,492.40-1,771,968.80

Finding the Fourth Proportional to 3,115,661.60, 4,673,492.40 and 1,771,968.80

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Solution

The fourth proportional to 3,115,661.60, 4,673,492.40 and 1,771,968.80 is: 2,657,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,661.60 : 4,673,492.40 = 1,771,968.80 : x
  2. Step 2: Convert to fraction form
    3,115,661.60/4,673,492.40 = 1,771,968.80/x
  3. Step 3: Cross multiply
    3,115,661.60x = 4,673,492.40 × 1,771,968.80
  4. Step 4: Simplify right side
    3,115,661.60x = 8,281,282,719,837.12
  5. Step 5: Solve for x
    x = 8,281,282,719,837.12/3,115,661.60
  6. Step 6: Final answer
    x = 2,657,953.20

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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.