Home / 2,128,344-2,937,176.64-1,161,536.60

Finding the Fourth Proportional to 2,128,344, 2,937,176.64 and 1,161,536.60

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Solution

The fourth proportional to 2,128,344, 2,937,176.64 and 1,161,536.60 is: 1,602,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,344 : 2,937,176.64 = 1,161,536.60 : x
  2. Step 2: Convert to fraction form
    2,128,344/2,937,176.64 = 1,161,536.60/x
  3. Step 3: Cross multiply
    2,128,344x = 2,937,176.64 × 1,161,536.60
  4. Step 4: Simplify right side
    2,128,344x = 3,411,638,153,339.14
  5. Step 5: Solve for x
    x = 3,411,638,153,339.14/2,128,344
  6. Step 6: Final answer
    x = 1,602,954.29

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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.