Home / 3,492,461.61-5,238,693.87-1,571,128.63

Finding the Fourth Proportional to 3,492,461.61, 5,238,693.87 and 1,571,128.63

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Solution

The fourth proportional to 3,492,461.61, 5,238,693.87 and 1,571,128.63 is: 2,356,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492,461.61 : 5,238,693.87 = 1,571,128.63 : x
  2. Step 2: Convert to fraction form
    3,492,461.61/5,238,693.87 = 1,571,128.63/x
  3. Step 3: Cross multiply
    3,492,461.61x = 5,238,693.87 × 1,571,128.63
  4. Step 4: Simplify right side
    3,492,461.61x = 8,230,661,922,962.50
  5. Step 5: Solve for x
    x = 8,230,661,922,962.50/3,492,461.61
  6. Step 6: Final answer
    x = 2,356,693.60

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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.