Home / 1,868,956.22-2,579,160.65-1,009,516.45

Finding the Fourth Proportional to 1,868,956.22, 2,579,160.65 and 1,009,516.45

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Solution

The fourth proportional to 1,868,956.22, 2,579,160.65 and 1,009,516.45 is: 1,393,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,956.22 : 2,579,160.65 = 1,009,516.45 : x
  2. Step 2: Convert to fraction form
    1,868,956.22/2,579,160.65 = 1,009,516.45/x
  3. Step 3: Cross multiply
    1,868,956.22x = 2,579,160.65 × 1,009,516.45
  4. Step 4: Simplify right side
    1,868,956.22x = 2,603,705,103,367.69
  5. Step 5: Solve for x
    x = 2,603,705,103,367.69/1,868,956.22
  6. Step 6: Final answer
    x = 1,393,133.28

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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.