Home / 1,888,400.66-2,833,438.23-989,628.71

Finding the Fourth Proportional to 1,888,400.66, 2,833,438.23 and 989,628.71

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Solution

The fourth proportional to 1,888,400.66, 2,833,438.23 and 989,628.71 is: 1,484,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,400.66 : 2,833,438.23 = 989,628.71 : x
  2. Step 2: Convert to fraction form
    1,888,400.66/2,833,438.23 = 989,628.71/x
  3. Step 3: Cross multiply
    1,888,400.66x = 2,833,438.23 × 989,628.71
  4. Step 4: Simplify right side
    1,888,400.66x = 2,804,051,806,252.39
  5. Step 5: Solve for x
    x = 2,804,051,806,252.39/1,888,400.66
  6. Step 6: Final answer
    x = 1,484,881.82

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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.