Home / 1,888,404.82-2,833,444.54-989,632.87

Finding the Fourth Proportional to 1,888,404.82, 2,833,444.54 and 989,632.87

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Solution

The fourth proportional to 1,888,404.82, 2,833,444.54 and 989,632.87 is: 1,484,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,404.82 : 2,833,444.54 = 989,632.87 : x
  2. Step 2: Convert to fraction form
    1,888,404.82/2,833,444.54 = 989,632.87/x
  3. Step 3: Cross multiply
    1,888,404.82x = 2,833,444.54 × 989,632.87
  4. Step 4: Simplify right side
    1,888,404.82x = 2,804,069,847,157.87
  5. Step 5: Solve for x
    x = 2,804,069,847,157.87/1,888,404.82
  6. Step 6: Final answer
    x = 1,484,888.10

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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.