Home / 2,910,423.83-4,016,505.89-1,621,263.87

Finding the Fourth Proportional to 2,910,423.83, 4,016,505.89 and 1,621,263.87

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Solution

The fourth proportional to 2,910,423.83, 4,016,505.89 and 1,621,263.87 is: 2,237,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,423.83 : 4,016,505.89 = 1,621,263.87 : x
  2. Step 2: Convert to fraction form
    2,910,423.83/4,016,505.89 = 1,621,263.87/x
  3. Step 3: Cross multiply
    2,910,423.83x = 4,016,505.89 × 1,621,263.87
  4. Step 4: Simplify right side
    2,910,423.83x = 6,511,815,887,152.36
  5. Step 5: Solve for x
    x = 6,511,815,887,152.36/2,910,423.83
  6. Step 6: Final answer
    x = 2,237,411.55

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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.