Home / 1,636,661.80-2,257,982.10-1,634,138.68

Finding the Fourth Proportional to 1,636,661.80, 2,257,982.10 and 1,634,138.68

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Solution

The fourth proportional to 1,636,661.80, 2,257,982.10 and 1,634,138.68 is: 2,254,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,661.80 : 2,257,982.10 = 1,634,138.68 : x
  2. Step 2: Convert to fraction form
    1,636,661.80/2,257,982.10 = 1,634,138.68/x
  3. Step 3: Cross multiply
    1,636,661.80x = 2,257,982.10 × 1,634,138.68
  4. Step 4: Simplify right side
    1,636,661.80x = 3,689,855,888,357.63
  5. Step 5: Solve for x
    x = 3,689,855,888,357.63/1,636,661.80
  6. Step 6: Final answer
    x = 2,254,501.14

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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.