Home / 2,911,358.09-4,367,847.28-1,270,178.93

Finding the Fourth Proportional to 2,911,358.09, 4,367,847.28 and 1,270,178.93

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Solution

The fourth proportional to 2,911,358.09, 4,367,847.28 and 1,270,178.93 is: 1,905,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,358.09 : 4,367,847.28 = 1,270,178.93 : x
  2. Step 2: Convert to fraction form
    2,911,358.09/4,367,847.28 = 1,270,178.93/x
  3. Step 3: Cross multiply
    2,911,358.09x = 4,367,847.28 × 1,270,178.93
  4. Step 4: Simplify right side
    2,911,358.09x = 5,547,947,562,674.57
  5. Step 5: Solve for x
    x = 5,547,947,562,674.57/2,911,358.09
  6. Step 6: Final answer
    x = 1,905,621.84

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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.