Home / 2,979,018.06-4,110,923.84-1,689,830.76

Finding the Fourth Proportional to 2,979,018.06, 4,110,923.84 and 1,689,830.76

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Solution

The fourth proportional to 2,979,018.06, 4,110,923.84 and 1,689,830.76 is: 2,331,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,018.06 : 4,110,923.84 = 1,689,830.76 : x
  2. Step 2: Convert to fraction form
    2,979,018.06/4,110,923.84 = 1,689,830.76/x
  3. Step 3: Cross multiply
    2,979,018.06x = 4,110,923.84 × 1,689,830.76
  4. Step 4: Simplify right side
    2,979,018.06x = 6,946,765,556,849.32
  5. Step 5: Solve for x
    x = 6,946,765,556,849.32/2,979,018.06
  6. Step 6: Final answer
    x = 2,331,897.77

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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.