Home / 2,787,336.55-4,182,528.71-1,081,547.11

Finding the Fourth Proportional to 2,787,336.55, 4,182,528.71 and 1,081,547.11

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Solution

The fourth proportional to 2,787,336.55, 4,182,528.71 and 1,081,547.11 is: 1,622,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,336.55 : 4,182,528.71 = 1,081,547.11 : x
  2. Step 2: Convert to fraction form
    2,787,336.55/4,182,528.71 = 1,081,547.11/x
  3. Step 3: Cross multiply
    2,787,336.55x = 4,182,528.71 × 1,081,547.11
  4. Step 4: Simplify right side
    2,787,336.55x = 4,523,601,831,040.07
  5. Step 5: Solve for x
    x = 4,523,601,831,040.07/2,787,336.55
  6. Step 6: Final answer
    x = 1,622,911.96

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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.