Home / 2,465,381.21-3,402,162.81-1,377,661.77

Finding the Fourth Proportional to 2,465,381.21, 3,402,162.81 and 1,377,661.77

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Solution

The fourth proportional to 2,465,381.21, 3,402,162.81 and 1,377,661.77 is: 1,901,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465,381.21 : 3,402,162.81 = 1,377,661.77 : x
  2. Step 2: Convert to fraction form
    2,465,381.21/3,402,162.81 = 1,377,661.77/x
  3. Step 3: Cross multiply
    2,465,381.21x = 3,402,162.81 × 1,377,661.77
  4. Step 4: Simplify right side
    2,465,381.21x = 4,687,029,638,652.77
  5. Step 5: Solve for x
    x = 4,687,029,638,652.77/2,465,381.21
  6. Step 6: Final answer
    x = 1,901,137.90

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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.