Home / 2,640,025.67-3,643,236.90-1,432,801.67

Finding the Fourth Proportional to 2,640,025.67, 3,643,236.90 and 1,432,801.67

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Solution

The fourth proportional to 2,640,025.67, 3,643,236.90 and 1,432,801.67 is: 1,977,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,025.67 : 3,643,236.90 = 1,432,801.67 : x
  2. Step 2: Convert to fraction form
    2,640,025.67/3,643,236.90 = 1,432,801.67/x
  3. Step 3: Cross multiply
    2,640,025.67x = 3,643,236.90 × 1,432,801.67
  4. Step 4: Simplify right side
    2,640,025.67x = 5,220,035,896,309.44
  5. Step 5: Solve for x
    x = 5,220,035,896,309.44/2,640,025.67
  6. Step 6: Final answer
    x = 1,977,267.10

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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.