Home / 2,191,416.96-3,281,218.56-1,431,376.32

Finding the Fourth Proportional to 2,191,416.96, 3,281,218.56 and 1,431,376.32

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Solution

The fourth proportional to 2,191,416.96, 3,281,218.56 and 1,431,376.32 is: 2,143,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,416.96 : 3,281,218.56 = 1,431,376.32 : x
  2. Step 2: Convert to fraction form
    2,191,416.96/3,281,218.56 = 1,431,376.32/x
  3. Step 3: Cross multiply
    2,191,416.96x = 3,281,218.56 × 1,431,376.32
  4. Step 4: Simplify right side
    2,191,416.96x = 4,696,658,547,528.50
  5. Step 5: Solve for x
    x = 4,696,658,547,528.50/2,191,416.96
  6. Step 6: Final answer
    x = 2,143,206.26

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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.