Home / 1,888,887.41-2,606,588.73-1,029,429.21

Finding the Fourth Proportional to 1,888,887.41, 2,606,588.73 and 1,029,429.21

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Solution

The fourth proportional to 1,888,887.41, 2,606,588.73 and 1,029,429.21 is: 1,420,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,887.41 : 2,606,588.73 = 1,029,429.21 : x
  2. Step 2: Convert to fraction form
    1,888,887.41/2,606,588.73 = 1,029,429.21/x
  3. Step 3: Cross multiply
    1,888,887.41x = 2,606,588.73 × 1,029,429.21
  4. Step 4: Simplify right side
    1,888,887.41x = 2,683,298,577,118.80
  5. Step 5: Solve for x
    x = 2,683,298,577,118.80/1,888,887.41
  6. Step 6: Final answer
    x = 1,420,570.95

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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.