Home / 5,616,385.02-8,422,970.49-1,830,198.78

Finding the Fourth Proportional to 5,616,385.02, 8,422,970.49 and 1,830,198.78

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Solution

The fourth proportional to 5,616,385.02, 8,422,970.49 and 1,830,198.78 is: 2,744,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616,385.02 : 8,422,970.49 = 1,830,198.78 : x
  2. Step 2: Convert to fraction form
    5,616,385.02/8,422,970.49 = 1,830,198.78/x
  3. Step 3: Cross multiply
    5,616,385.02x = 8,422,970.49 × 1,830,198.78
  4. Step 4: Simplify right side
    5,616,385.02x = 15,415,710,314,774.00
  5. Step 5: Solve for x
    x = 15,415,710,314,774.00/5,616,385.02
  6. Step 6: Final answer
    x = 2,744,774.49

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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.