Home / 1,622,918.76-2,238,873.30-1,050,143.88

Finding the Fourth Proportional to 1,622,918.76, 2,238,873.30 and 1,050,143.88

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Solution

The fourth proportional to 1,622,918.76, 2,238,873.30 and 1,050,143.88 is: 1,448,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,918.76 : 2,238,873.30 = 1,050,143.88 : x
  2. Step 2: Convert to fraction form
    1,622,918.76/2,238,873.30 = 1,050,143.88/x
  3. Step 3: Cross multiply
    1,622,918.76x = 2,238,873.30 × 1,050,143.88
  4. Step 4: Simplify right side
    1,622,918.76x = 2,351,139,094,090.40
  5. Step 5: Solve for x
    x = 2,351,139,094,090.40/1,622,918.76
  6. Step 6: Final answer
    x = 1,448,710.28

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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.