Home / 3,119,063.80-4,678,595.70-1,917,088.60

Finding the Fourth Proportional to 3,119,063.80, 4,678,595.70 and 1,917,088.60

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Solution

The fourth proportional to 3,119,063.80, 4,678,595.70 and 1,917,088.60 is: 2,875,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,063.80 : 4,678,595.70 = 1,917,088.60 : x
  2. Step 2: Convert to fraction form
    3,119,063.80/4,678,595.70 = 1,917,088.60/x
  3. Step 3: Cross multiply
    3,119,063.80x = 4,678,595.70 × 1,917,088.60
  4. Step 4: Simplify right side
    3,119,063.80x = 8,969,282,480,479.02
  5. Step 5: Solve for x
    x = 8,969,282,480,479.02/3,119,063.80
  6. Step 6: Final answer
    x = 2,875,632.90

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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.