Home / 1,868,943.11-2,579,142.52-1,009,503.36

Finding the Fourth Proportional to 1,868,943.11, 2,579,142.52 and 1,009,503.36

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Solution

The fourth proportional to 1,868,943.11, 2,579,142.52 and 1,009,503.36 is: 1,393,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,943.11 : 2,579,142.52 = 1,009,503.36 : x
  2. Step 2: Convert to fraction form
    1,868,943.11/2,579,142.52 = 1,009,503.36/x
  3. Step 3: Cross multiply
    1,868,943.11x = 2,579,142.52 × 1,009,503.36
  4. Step 4: Simplify right side
    1,868,943.11x = 2,603,653,047,006.89
  5. Step 5: Solve for x
    x = 2,603,653,047,006.89/1,868,943.11
  6. Step 6: Final answer
    x = 1,393,115.20

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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.