Home / 2,867,927.58-3,957,852.78-1,578,887.91

Finding the Fourth Proportional to 2,867,927.58, 3,957,852.78 and 1,578,887.91

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Solution

The fourth proportional to 2,867,927.58, 3,957,852.78 and 1,578,887.91 is: 2,178,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,927.58 : 3,957,852.78 = 1,578,887.91 : x
  2. Step 2: Convert to fraction form
    2,867,927.58/3,957,852.78 = 1,578,887.91/x
  3. Step 3: Cross multiply
    2,867,927.58x = 3,957,852.78 × 1,578,887.91
  4. Step 4: Simplify right side
    2,867,927.58x = 6,249,005,903,901.89
  5. Step 5: Solve for x
    x = 6,249,005,903,901.89/2,867,927.58
  6. Step 6: Final answer
    x = 2,178,927.37

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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.