Home / 1,868,627.88-2,578,706.28-1,009,188.18

Finding the Fourth Proportional to 1,868,627.88, 2,578,706.28 and 1,009,188.18

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Solution

The fourth proportional to 1,868,627.88, 2,578,706.28 and 1,009,188.18 is: 1,392,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,627.88 : 2,578,706.28 = 1,009,188.18 : x
  2. Step 2: Convert to fraction form
    1,868,627.88/2,578,706.28 = 1,009,188.18/x
  3. Step 3: Cross multiply
    1,868,627.88x = 2,578,706.28 × 1,009,188.18
  4. Step 4: Simplify right side
    1,868,627.88x = 2,602,399,897,467.77
  5. Step 5: Solve for x
    x = 2,602,399,897,467.77/1,868,627.88
  6. Step 6: Final answer
    x = 1,392,679.58

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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.