Home / 2,688,942.80-4,033,403.24-1,091,492.40

Finding the Fourth Proportional to 2,688,942.80, 4,033,403.24 and 1,091,492.40

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Solution

The fourth proportional to 2,688,942.80, 4,033,403.24 and 1,091,492.40 is: 1,637,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,942.80 : 4,033,403.24 = 1,091,492.40 : x
  2. Step 2: Convert to fraction form
    2,688,942.80/4,033,403.24 = 1,091,492.40/x
  3. Step 3: Cross multiply
    2,688,942.80x = 4,033,403.24 × 1,091,492.40
  4. Step 4: Simplify right side
    2,688,942.80x = 4,402,428,982,595.38
  5. Step 5: Solve for x
    x = 4,402,428,982,595.38/2,688,942.80
  6. Step 6: Final answer
    x = 1,637,234.15

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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.