Home / 1,869,018-2,579,245.80-1,009,578.24

Finding the Fourth Proportional to 1,869,018, 2,579,245.80 and 1,009,578.24

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Solution

The fourth proportional to 1,869,018, 2,579,245.80 and 1,009,578.24 is: 1,393,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,018 : 2,579,245.80 = 1,009,578.24 : x
  2. Step 2: Convert to fraction form
    1,869,018/2,579,245.80 = 1,009,578.24/x
  3. Step 3: Cross multiply
    1,869,018x = 2,579,245.80 × 1,009,578.24
  4. Step 4: Simplify right side
    1,869,018x = 2,603,950,435,291.39
  5. Step 5: Solve for x
    x = 2,603,950,435,291.39/1,869,018
  6. Step 6: Final answer
    x = 1,393,218.49

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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.