Home / 5,130,372.51-7,078,194.95-2,954,872.08

Finding the Fourth Proportional to 5,130,372.51, 7,078,194.95 and 2,954,872.08

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Solution

The fourth proportional to 5,130,372.51, 7,078,194.95 and 2,954,872.08 is: 4,076,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,372.51 : 7,078,194.95 = 2,954,872.08 : x
  2. Step 2: Convert to fraction form
    5,130,372.51/7,078,194.95 = 2,954,872.08/x
  3. Step 3: Cross multiply
    5,130,372.51x = 7,078,194.95 × 2,954,872.08
  4. Step 4: Simplify right side
    5,130,372.51x = 20,915,160,634,552.00
  5. Step 5: Solve for x
    x = 20,915,160,634,552.00/5,130,372.51
  6. Step 6: Final answer
    x = 4,076,733.34

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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.