Home / 2,315,929.20-3,477,004.20-1,478,194.80

Finding the Fourth Proportional to 2,315,929.20, 3,477,004.20 and 1,478,194.80

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Solution

The fourth proportional to 2,315,929.20, 3,477,004.20 and 1,478,194.80 is: 2,219,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,929.20 : 3,477,004.20 = 1,478,194.80 : x
  2. Step 2: Convert to fraction form
    2,315,929.20/3,477,004.20 = 1,478,194.80/x
  3. Step 3: Cross multiply
    2,315,929.20x = 3,477,004.20 × 1,478,194.80
  4. Step 4: Simplify right side
    2,315,929.20x = 5,139,689,528,018.16
  5. Step 5: Solve for x
    x = 5,139,689,528,018.16/2,315,929.20
  6. Step 6: Final answer
    x = 2,219,277.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.