Home / 1,910,681.64-2,636,761.68-1,039,521.33

Finding the Fourth Proportional to 1,910,681.64, 2,636,761.68 and 1,039,521.33

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Solution

The fourth proportional to 1,910,681.64, 2,636,761.68 and 1,039,521.33 is: 1,434,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,681.64 : 2,636,761.68 = 1,039,521.33 : x
  2. Step 2: Convert to fraction form
    1,910,681.64/2,636,761.68 = 1,039,521.33/x
  3. Step 3: Cross multiply
    1,910,681.64x = 2,636,761.68 × 1,039,521.33
  4. Step 4: Simplify right side
    1,910,681.64x = 2,740,970,008,486.63
  5. Step 5: Solve for x
    x = 2,740,970,008,486.63/1,910,681.64
  6. Step 6: Final answer
    x = 1,434,550.87

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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.