Home / 2,688,942.30-4,033,402.51-1,091,491.89

Finding the Fourth Proportional to 2,688,942.30, 4,033,402.51 and 1,091,491.89

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Solution

The fourth proportional to 2,688,942.30, 4,033,402.51 and 1,091,491.89 is: 1,637,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,942.30 : 4,033,402.51 = 1,091,491.89 : x
  2. Step 2: Convert to fraction form
    2,688,942.30/4,033,402.51 = 1,091,491.89/x
  3. Step 3: Cross multiply
    2,688,942.30x = 4,033,402.51 × 1,091,491.89
  4. Step 4: Simplify right side
    2,688,942.30x = 4,402,426,128,770.64
  5. Step 5: Solve for x
    x = 4,402,426,128,770.64/2,688,942.30
  6. Step 6: Final answer
    x = 1,637,233.39

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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.