Home / 2,840,670.40-4,257,376.80-1,155,870.40

Finding the Fourth Proportional to 2,840,670.40, 4,257,376.80 and 1,155,870.40

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Solution

The fourth proportional to 2,840,670.40, 4,257,376.80 and 1,155,870.40 is: 1,732,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,670.40 : 4,257,376.80 = 1,155,870.40 : x
  2. Step 2: Convert to fraction form
    2,840,670.40/4,257,376.80 = 1,155,870.40/x
  3. Step 3: Cross multiply
    2,840,670.40x = 4,257,376.80 × 1,155,870.40
  4. Step 4: Simplify right side
    2,840,670.40x = 4,920,975,824,766.72
  5. Step 5: Solve for x
    x = 4,920,975,824,766.72/2,840,670.40
  6. Step 6: Final answer
    x = 1,732,329.04

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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.