Home / 2,155,869-3,232,864.53-618,525.18

Finding the Fourth Proportional to 2,155,869, 3,232,864.53 and 618,525.18

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Solution

The fourth proportional to 2,155,869, 3,232,864.53 and 618,525.18 is: 927,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,869 : 3,232,864.53 = 618,525.18 : x
  2. Step 2: Convert to fraction form
    2,155,869/3,232,864.53 = 618,525.18/x
  3. Step 3: Cross multiply
    2,155,869x = 3,232,864.53 × 618,525.18
  4. Step 4: Simplify right side
    2,155,869x = 1,999,608,115,333.87
  5. Step 5: Solve for x
    x = 1,999,608,115,333.87/2,155,869
  6. Step 6: Final answer
    x = 927,518.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.