Home / 5,106,678.85-7,047,004.77-2,783,520.25

Finding the Fourth Proportional to 5,106,678.85, 7,047,004.77 and 2,783,520.25

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Solution

The fourth proportional to 5,106,678.85, 7,047,004.77 and 2,783,520.25 is: 3,841,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,678.85 : 7,047,004.77 = 2,783,520.25 : x
  2. Step 2: Convert to fraction form
    5,106,678.85/7,047,004.77 = 2,783,520.25/x
  3. Step 3: Cross multiply
    5,106,678.85x = 7,047,004.77 × 2,783,520.25
  4. Step 4: Simplify right side
    5,106,678.85x = 19,615,480,492,417.59
  5. Step 5: Solve for x
    x = 19,615,480,492,417.59/5,106,678.85
  6. Step 6: Final answer
    x = 3,841,142.37

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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.