Home / 3,083,787.28-4,255,676.85-1,688,325.64

Finding the Fourth Proportional to 3,083,787.28, 4,255,676.85 and 1,688,325.64

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Solution

The fourth proportional to 3,083,787.28, 4,255,676.85 and 1,688,325.64 is: 2,329,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083,787.28 : 4,255,676.85 = 1,688,325.64 : x
  2. Step 2: Convert to fraction form
    3,083,787.28/4,255,676.85 = 1,688,325.64/x
  3. Step 3: Cross multiply
    3,083,787.28x = 4,255,676.85 × 1,688,325.64
  4. Step 4: Simplify right side
    3,083,787.28x = 7,184,968,311,689.42
  5. Step 5: Solve for x
    x = 7,184,968,311,689.42/3,083,787.28
  6. Step 6: Final answer
    x = 2,329,916.97

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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.