Home / 5,387,144.04-7,434,416.76-2,939,913.08

Finding the Fourth Proportional to 5,387,144.04, 7,434,416.76 and 2,939,913.08

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Solution

The fourth proportional to 5,387,144.04, 7,434,416.76 and 2,939,913.08 is: 4,057,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,144.04 : 7,434,416.76 = 2,939,913.08 : x
  2. Step 2: Convert to fraction form
    5,387,144.04/7,434,416.76 = 2,939,913.08/x
  3. Step 3: Cross multiply
    5,387,144.04x = 7,434,416.76 × 2,939,913.08
  4. Step 4: Simplify right side
    5,387,144.04x = 21,856,539,074,895.22
  5. Step 5: Solve for x
    x = 21,856,539,074,895.22/5,387,144.04
  6. Step 6: Final answer
    x = 4,057,166.27

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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.