Home / 1,871,039.58-2,581,841.80-1,381,269.58

Finding the Fourth Proportional to 1,871,039.58, 2,581,841.80 and 1,381,269.58

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Solution

The fourth proportional to 1,871,039.58, 2,581,841.80 and 1,381,269.58 is: 1,906,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,039.58 : 2,581,841.80 = 1,381,269.58 : x
  2. Step 2: Convert to fraction form
    1,871,039.58/2,581,841.80 = 1,381,269.58/x
  3. Step 3: Cross multiply
    1,871,039.58x = 2,581,841.80 × 1,381,269.58
  4. Step 4: Simplify right side
    1,871,039.58x = 3,566,219,543,666.33
  5. Step 5: Solve for x
    x = 3,566,219,543,666.33/1,871,039.58
  6. Step 6: Final answer
    x = 1,906,009.68

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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.