Home / 1,901,998.96-2,620,347.23-1,328,130.16

Finding the Fourth Proportional to 1,901,998.96, 2,620,347.23 and 1,328,130.16

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Solution

The fourth proportional to 1,901,998.96, 2,620,347.23 and 1,328,130.16 is: 1,829,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,998.96 : 2,620,347.23 = 1,328,130.16 : x
  2. Step 2: Convert to fraction form
    1,901,998.96/2,620,347.23 = 1,328,130.16/x
  3. Step 3: Cross multiply
    1,901,998.96x = 2,620,347.23 × 1,328,130.16
  4. Step 4: Simplify right side
    1,901,998.96x = 3,480,162,185,835.46
  5. Step 5: Solve for x
    x = 3,480,162,185,835.46/1,901,998.96
  6. Step 6: Final answer
    x = 1,829,739.27

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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.