Home / 2,551,032.18-3,520,424.09-1,405,112.54

Finding the Fourth Proportional to 2,551,032.18, 3,520,424.09 and 1,405,112.54

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Solution

The fourth proportional to 2,551,032.18, 3,520,424.09 and 1,405,112.54 is: 1,939,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,032.18 : 3,520,424.09 = 1,405,112.54 : x
  2. Step 2: Convert to fraction form
    2,551,032.18/3,520,424.09 = 1,405,112.54/x
  3. Step 3: Cross multiply
    2,551,032.18x = 3,520,424.09 × 1,405,112.54
  4. Step 4: Simplify right side
    2,551,032.18x = 4,946,592,020,887.75
  5. Step 5: Solve for x
    x = 4,946,592,020,887.75/2,551,032.18
  6. Step 6: Final answer
    x = 1,939,055.12

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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.