Home / 2,114,665.74-2,918,160.51-1,147,775.46

Finding the Fourth Proportional to 2,114,665.74, 2,918,160.51 and 1,147,775.46

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Solution

The fourth proportional to 2,114,665.74, 2,918,160.51 and 1,147,775.46 is: 1,583,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,665.74 : 2,918,160.51 = 1,147,775.46 : x
  2. Step 2: Convert to fraction form
    2,114,665.74/2,918,160.51 = 1,147,775.46/x
  3. Step 3: Cross multiply
    2,114,665.74x = 2,918,160.51 × 1,147,775.46
  4. Step 4: Simplify right side
    2,114,665.74x = 3,349,393,021,719.08
  5. Step 5: Solve for x
    x = 3,349,393,021,719.08/2,114,665.74
  6. Step 6: Final answer
    x = 1,583,887.68

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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.