Home / 1,812,291.42-2,714,765.37-838,271.40

Finding the Fourth Proportional to 1,812,291.42, 2,714,765.37 and 838,271.40

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Solution

The fourth proportional to 1,812,291.42, 2,714,765.37 and 838,271.40 is: 1,255,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,291.42 : 2,714,765.37 = 838,271.40 : x
  2. Step 2: Convert to fraction form
    1,812,291.42/2,714,765.37 = 838,271.40/x
  3. Step 3: Cross multiply
    1,812,291.42x = 2,714,765.37 × 838,271.40
  4. Step 4: Simplify right side
    1,812,291.42x = 2,275,710,167,381.42
  5. Step 5: Solve for x
    x = 2,275,710,167,381.42/1,812,291.42
  6. Step 6: Final answer
    x = 1,255,708.74

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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.