Home / 1,879,586.78-2,593,831.02-1,020,147.05

Finding the Fourth Proportional to 1,879,586.78, 2,593,831.02 and 1,020,147.05

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Solution

The fourth proportional to 1,879,586.78, 2,593,831.02 and 1,020,147.05 is: 1,407,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,586.78 : 2,593,831.02 = 1,020,147.05 : x
  2. Step 2: Convert to fraction form
    1,879,586.78/2,593,831.02 = 1,020,147.05/x
  3. Step 3: Cross multiply
    1,879,586.78x = 2,593,831.02 × 1,020,147.05
  4. Step 4: Simplify right side
    1,879,586.78x = 2,646,089,063,251.49
  5. Step 5: Solve for x
    x = 2,646,089,063,251.49/1,879,586.78
  6. Step 6: Final answer
    x = 1,407,803.61

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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.