Home / 1,869,009.07-2,579,233.56-1,009,569.35

Finding the Fourth Proportional to 1,869,009.07, 2,579,233.56 and 1,009,569.35

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Solution

The fourth proportional to 1,869,009.07, 2,579,233.56 and 1,009,569.35 is: 1,393,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,009.07 : 2,579,233.56 = 1,009,569.35 : x
  2. Step 2: Convert to fraction form
    1,869,009.07/2,579,233.56 = 1,009,569.35/x
  3. Step 3: Cross multiply
    1,869,009.07x = 2,579,233.56 × 1,009,569.35
  4. Step 4: Simplify right side
    1,869,009.07x = 2,603,915,148,667.39
  5. Step 5: Solve for x
    x = 2,603,915,148,667.39/1,869,009.07
  6. Step 6: Final answer
    x = 1,393,206.27

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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.