Home / 1,870,720.34-2,581,411.41-1,085,664.20

Finding the Fourth Proportional to 1,870,720.34, 2,581,411.41 and 1,085,664.20

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Solution

The fourth proportional to 1,870,720.34, 2,581,411.41 and 1,085,664.20 is: 1,498,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,720.34 : 2,581,411.41 = 1,085,664.20 : x
  2. Step 2: Convert to fraction form
    1,870,720.34/2,581,411.41 = 1,085,664.20/x
  3. Step 3: Cross multiply
    1,870,720.34x = 2,581,411.41 × 1,085,664.20
  4. Step 4: Simplify right side
    1,870,720.34x = 2,802,545,940,401.47
  5. Step 5: Solve for x
    x = 2,802,545,940,401.47/1,870,720.34
  6. Step 6: Final answer
    x = 1,498,110.59

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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.