Home / 3,492,461.47-5,238,693.65-1,571,128.49

Finding the Fourth Proportional to 3,492,461.47, 5,238,693.65 and 1,571,128.49

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Solution

The fourth proportional to 3,492,461.47, 5,238,693.65 and 1,571,128.49 is: 2,356,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492,461.47 : 5,238,693.65 = 1,571,128.49 : x
  2. Step 2: Convert to fraction form
    3,492,461.47/5,238,693.65 = 1,571,128.49/x
  3. Step 3: Cross multiply
    3,492,461.47x = 5,238,693.65 × 1,571,128.49
  4. Step 4: Simplify right side
    3,492,461.47x = 8,230,660,809,847.98
  5. Step 5: Solve for x
    x = 8,230,660,809,847.98/3,492,461.47
  6. Step 6: Final answer
    x = 2,356,693.38

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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.