Home / 2,551,220.42-3,520,684.38-1,405,300.77

Finding the Fourth Proportional to 2,551,220.42, 3,520,684.38 and 1,405,300.77

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Solution

The fourth proportional to 2,551,220.42, 3,520,684.38 and 1,405,300.77 is: 1,939,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,220.42 : 3,520,684.38 = 1,405,300.77 : x
  2. Step 2: Convert to fraction form
    2,551,220.42/3,520,684.38 = 1,405,300.77/x
  3. Step 3: Cross multiply
    2,551,220.42x = 3,520,684.38 × 1,405,300.77
  4. Step 4: Simplify right side
    2,551,220.42x = 4,947,620,460,578.76
  5. Step 5: Solve for x
    x = 4,947,620,460,578.76/2,551,220.42
  6. Step 6: Final answer
    x = 1,939,315.17

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1.5x scale

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.