Home / 1,610,022.33-2,221,783.68-921,671.37

Finding the Fourth Proportional to 1,610,022.33, 2,221,783.68 and 921,671.37

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Solution

The fourth proportional to 1,610,022.33, 2,221,783.68 and 921,671.37 is: 1,271,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,022.33 : 2,221,783.68 = 921,671.37 : x
  2. Step 2: Convert to fraction form
    1,610,022.33/2,221,783.68 = 921,671.37/x
  3. Step 3: Cross multiply
    1,610,022.33x = 2,221,783.68 × 921,671.37
  4. Step 4: Simplify right side
    1,610,022.33x = 2,047,754,408,189.24
  5. Step 5: Solve for x
    x = 2,047,754,408,189.24/1,610,022.33
  6. Step 6: Final answer
    x = 1,271,879.51

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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.