Home / 2,772,045.40-4,158,068.10-1,921,739.80

Finding the Fourth Proportional to 2,772,045.40, 4,158,068.10 and 1,921,739.80

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Solution

The fourth proportional to 2,772,045.40, 4,158,068.10 and 1,921,739.80 is: 2,882,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,045.40 : 4,158,068.10 = 1,921,739.80 : x
  2. Step 2: Convert to fraction form
    2,772,045.40/4,158,068.10 = 1,921,739.80/x
  3. Step 3: Cross multiply
    2,772,045.40x = 4,158,068.10 × 1,921,739.80
  4. Step 4: Simplify right side
    2,772,045.40x = 7,990,724,958,880.38
  5. Step 5: Solve for x
    x = 7,990,724,958,880.38/2,772,045.40
  6. Step 6: Final answer
    x = 2,882,609.70

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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.