Home / 1,762,664.78-2,431,582.12-1,151,175.48

Finding the Fourth Proportional to 1,762,664.78, 2,431,582.12 and 1,151,175.48

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Solution

The fourth proportional to 1,762,664.78, 2,431,582.12 and 1,151,175.48 is: 1,588,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,664.78 : 2,431,582.12 = 1,151,175.48 : x
  2. Step 2: Convert to fraction form
    1,762,664.78/2,431,582.12 = 1,151,175.48/x
  3. Step 3: Cross multiply
    1,762,664.78x = 2,431,582.12 × 1,151,175.48
  4. Step 4: Simplify right side
    1,762,664.78x = 2,799,177,714,150.42
  5. Step 5: Solve for x
    x = 2,799,177,714,150.42/1,762,664.78
  6. Step 6: Final answer
    x = 1,588,037.47

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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.