Home / 3,648,940.28-5,034,700.54-2,178,562.36

Finding the Fourth Proportional to 3,648,940.28, 5,034,700.54 and 2,178,562.36

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Solution

The fourth proportional to 3,648,940.28, 5,034,700.54 and 2,178,562.36 is: 3,005,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,940.28 : 5,034,700.54 = 2,178,562.36 : x
  2. Step 2: Convert to fraction form
    3,648,940.28/5,034,700.54 = 2,178,562.36/x
  3. Step 3: Cross multiply
    3,648,940.28x = 5,034,700.54 × 2,178,562.36
  4. Step 4: Simplify right side
    3,648,940.28x = 10,968,409,090,315.67
  5. Step 5: Solve for x
    x = 10,968,409,090,315.67/3,648,940.28
  6. Step 6: Final answer
    x = 3,005,916.31

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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.