Home / 1,566,146.40-2,345,720.40-1,286,210.40

Finding the Fourth Proportional to 1,566,146.40, 2,345,720.40 and 1,286,210.40

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Solution

The fourth proportional to 1,566,146.40, 2,345,720.40 and 1,286,210.40 is: 1,926,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,146.40 : 2,345,720.40 = 1,286,210.40 : x
  2. Step 2: Convert to fraction form
    1,566,146.40/2,345,720.40 = 1,286,210.40/x
  3. Step 3: Cross multiply
    1,566,146.40x = 2,345,720.40 × 1,286,210.40
  4. Step 4: Simplify right side
    1,566,146.40x = 3,017,089,973,972.16
  5. Step 5: Solve for x
    x = 3,017,089,973,972.16/1,566,146.40
  6. Step 6: Final answer
    x = 1,926,441.85

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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.