Home / 2,607,389.40-3,912,833.70-1,186,714.20

Finding the Fourth Proportional to 2,607,389.40, 3,912,833.70 and 1,186,714.20

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Solution

The fourth proportional to 2,607,389.40, 3,912,833.70 and 1,186,714.20 is: 1,780,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,389.40 : 3,912,833.70 = 1,186,714.20 : x
  2. Step 2: Convert to fraction form
    2,607,389.40/3,912,833.70 = 1,186,714.20/x
  3. Step 3: Cross multiply
    2,607,389.40x = 3,912,833.70 × 1,186,714.20
  4. Step 4: Simplify right side
    2,607,389.40x = 4,643,415,314,028.54
  5. Step 5: Solve for x
    x = 4,643,415,314,028.54/2,607,389.40
  6. Step 6: Final answer
    x = 1,780,867.60

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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.