Home / 1,609,983.32-2,221,730-921,632.36

Finding the Fourth Proportional to 1,609,983.32, 2,221,730 and 921,632.36

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Solution

The fourth proportional to 1,609,983.32, 2,221,730 and 921,632.36 is: 1,271,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,983.32 : 2,221,730 = 921,632.36 : x
  2. Step 2: Convert to fraction form
    1,609,983.32/2,221,730 = 921,632.36/x
  3. Step 3: Cross multiply
    1,609,983.32x = 2,221,730 × 921,632.36
  4. Step 4: Simplify right side
    1,609,983.32x = 2,047,618,263,182.80
  5. Step 5: Solve for x
    x = 2,047,618,263,182.80/1,609,983.32
  6. Step 6: Final answer
    x = 1,271,825.76

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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.