Home / 2,674,690-3,688,297.77-2,288,782.87

Finding the Fourth Proportional to 2,674,690, 3,688,297.77 and 2,288,782.87

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Solution

The fourth proportional to 2,674,690, 3,688,297.77 and 2,288,782.87 is: 3,156,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,690 : 3,688,297.77 = 2,288,782.87 : x
  2. Step 2: Convert to fraction form
    2,674,690/3,688,297.77 = 2,288,782.87/x
  3. Step 3: Cross multiply
    2,674,690x = 3,688,297.77 × 2,288,782.87
  4. Step 4: Simplify right side
    2,674,690x = 8,441,712,755,435.20
  5. Step 5: Solve for x
    x = 8,441,712,755,435.20/2,674,690
  6. Step 6: Final answer
    x = 3,156,146.23

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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.