Home / 3,106,783.02-4,287,087.63-1,730,022.78

Finding the Fourth Proportional to 3,106,783.02, 4,287,087.63 and 1,730,022.78

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Solution

The fourth proportional to 3,106,783.02, 4,287,087.63 and 1,730,022.78 is: 2,387,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,783.02 : 4,287,087.63 = 1,730,022.78 : x
  2. Step 2: Convert to fraction form
    3,106,783.02/4,287,087.63 = 1,730,022.78/x
  3. Step 3: Cross multiply
    3,106,783.02x = 4,287,087.63 × 1,730,022.78
  4. Step 4: Simplify right side
    3,106,783.02x = 7,416,759,259,756.21
  5. Step 5: Solve for x
    x = 7,416,759,259,756.21/3,106,783.02
  6. Step 6: Final answer
    x = 2,387,279.45

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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.