Home / 2,582,090.13-3,865,655.80-1,945,076.66

Finding the Fourth Proportional to 2,582,090.13, 3,865,655.80 and 1,945,076.66

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Solution

The fourth proportional to 2,582,090.13, 3,865,655.80 and 1,945,076.66 is: 2,911,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582,090.13 : 3,865,655.80 = 1,945,076.66 : x
  2. Step 2: Convert to fraction form
    2,582,090.13/3,865,655.80 = 1,945,076.66/x
  3. Step 3: Cross multiply
    2,582,090.13x = 3,865,655.80 × 1,945,076.66
  4. Step 4: Simplify right side
    2,582,090.13x = 7,518,996,872,173.63
  5. Step 5: Solve for x
    x = 7,518,996,872,173.63/2,582,090.13
  6. Step 6: Final answer
    x = 2,911,980.80

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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.