Home / 1,869,408.12-2,579,904.54-1,084,634.76

Finding the Fourth Proportional to 1,869,408.12, 2,579,904.54 and 1,084,634.76

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Solution

The fourth proportional to 1,869,408.12, 2,579,904.54 and 1,084,634.76 is: 1,496,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,408.12 : 2,579,904.54 = 1,084,634.76 : x
  2. Step 2: Convert to fraction form
    1,869,408.12/2,579,904.54 = 1,084,634.76/x
  3. Step 3: Cross multiply
    1,869,408.12x = 2,579,904.54 × 1,084,634.76
  4. Step 4: Simplify right side
    1,869,408.12x = 2,798,254,141,565.81
  5. Step 5: Solve for x
    x = 2,798,254,141,565.81/1,869,408.12
  6. Step 6: Final answer
    x = 1,496,866.37

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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.