Home / 2,128,382.94-2,937,167.69-1,161,513.23

Finding the Fourth Proportional to 2,128,382.94, 2,937,167.69 and 1,161,513.23

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Solution

The fourth proportional to 2,128,382.94, 2,937,167.69 and 1,161,513.23 is: 1,602,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,382.94 : 2,937,167.69 = 1,161,513.23 : x
  2. Step 2: Convert to fraction form
    2,128,382.94/2,937,167.69 = 1,161,513.23/x
  3. Step 3: Cross multiply
    2,128,382.94x = 2,937,167.69 × 1,161,513.23
  4. Step 4: Simplify right side
    2,128,382.94x = 3,411,559,124,855.97
  5. Step 5: Solve for x
    x = 3,411,559,124,855.97/2,128,382.94
  6. Step 6: Final answer
    x = 1,602,887.84

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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.