Home / 5,137,064.91-7,089,264.09-2,931,883.49

Finding the Fourth Proportional to 5,137,064.91, 7,089,264.09 and 2,931,883.49

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Solution

The fourth proportional to 5,137,064.91, 7,089,264.09 and 2,931,883.49 is: 4,046,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,064.91 : 7,089,264.09 = 2,931,883.49 : x
  2. Step 2: Convert to fraction form
    5,137,064.91/7,089,264.09 = 2,931,883.49/x
  3. Step 3: Cross multiply
    5,137,064.91x = 7,089,264.09 × 2,931,883.49
  4. Step 4: Simplify right side
    5,137,064.91x = 20,784,896,306,274.55
  5. Step 5: Solve for x
    x = 20,784,896,306,274.55/5,137,064.91
  6. Step 6: Final answer
    x = 4,046,064.57

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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.