Home / 3,586,940.70-5,380,411.05-1,312,460.70

Finding the Fourth Proportional to 3,586,940.70, 5,380,411.05 and 1,312,460.70

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Solution

The fourth proportional to 3,586,940.70, 5,380,411.05 and 1,312,460.70 is: 1,968,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,940.70 : 5,380,411.05 = 1,312,460.70 : x
  2. Step 2: Convert to fraction form
    3,586,940.70/5,380,411.05 = 1,312,460.70/x
  3. Step 3: Cross multiply
    3,586,940.70x = 5,380,411.05 × 1,312,460.70
  4. Step 4: Simplify right side
    3,586,940.70x = 7,061,578,052,970.74
  5. Step 5: Solve for x
    x = 7,061,578,052,970.74/3,586,940.70
  6. Step 6: Final answer
    x = 1,968,691.05

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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.