Home / 3,878,359.34-5,817,539.02-1,218,967.34

Finding the Fourth Proportional to 3,878,359.34, 5,817,539.02 and 1,218,967.34

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Solution

The fourth proportional to 3,878,359.34, 5,817,539.02 and 1,218,967.34 is: 1,828,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,359.34 : 5,817,539.02 = 1,218,967.34 : x
  2. Step 2: Convert to fraction form
    3,878,359.34/5,817,539.02 = 1,218,967.34/x
  3. Step 3: Cross multiply
    3,878,359.34x = 5,817,539.02 × 1,218,967.34
  4. Step 4: Simplify right side
    3,878,359.34x = 7,091,390,064,555.61
  5. Step 5: Solve for x
    x = 7,091,390,064,555.61/3,878,359.34
  6. Step 6: Final answer
    x = 1,828,451.01

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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.