Home / 1,888,400.19-2,833,437.65-989,628.27

Finding the Fourth Proportional to 1,888,400.19, 2,833,437.65 and 989,628.27

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Solution

The fourth proportional to 1,888,400.19, 2,833,437.65 and 989,628.27 is: 1,484,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,400.19 : 2,833,437.65 = 989,628.27 : x
  2. Step 2: Convert to fraction form
    1,888,400.19/2,833,437.65 = 989,628.27/x
  3. Step 3: Cross multiply
    1,888,400.19x = 2,833,437.65 × 989,628.27
  4. Step 4: Simplify right side
    1,888,400.19x = 2,804,049,994,774.22
  5. Step 5: Solve for x
    x = 2,804,049,994,774.22/1,888,400.19
  6. Step 6: Final answer
    x = 1,484,881.23

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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.