Home / 1,931,470.72-2,900,050.13-1,080,210.19

Finding the Fourth Proportional to 1,931,470.72, 2,900,050.13 and 1,080,210.19

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Solution

The fourth proportional to 1,931,470.72, 2,900,050.13 and 1,080,210.19 is: 1,621,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,470.72 : 2,900,050.13 = 1,080,210.19 : x
  2. Step 2: Convert to fraction form
    1,931,470.72/2,900,050.13 = 1,080,210.19/x
  3. Step 3: Cross multiply
    1,931,470.72x = 2,900,050.13 × 1,080,210.19
  4. Step 4: Simplify right side
    1,931,470.72x = 3,132,663,701,936.82
  5. Step 5: Solve for x
    x = 3,132,663,701,936.82/1,931,470.72
  6. Step 6: Final answer
    x = 1,621,905.87

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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.