Home / 5,148,130.35-7,104,420.80-2,856,285.57

Finding the Fourth Proportional to 5,148,130.35, 7,104,420.80 and 2,856,285.57

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Solution

The fourth proportional to 5,148,130.35, 7,104,420.80 and 2,856,285.57 is: 3,941,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,130.35 : 7,104,420.80 = 2,856,285.57 : x
  2. Step 2: Convert to fraction form
    5,148,130.35/7,104,420.80 = 2,856,285.57/x
  3. Step 3: Cross multiply
    5,148,130.35x = 7,104,420.80 × 2,856,285.57
  4. Step 4: Simplify right side
    5,148,130.35x = 20,292,254,614,247.86
  5. Step 5: Solve for x
    x = 20,292,254,614,247.86/5,148,130.35
  6. Step 6: Final answer
    x = 3,941,674.60

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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.