Home / 1,887,374.16-2,828,260.92-1,386,288.72

Finding the Fourth Proportional to 1,887,374.16, 2,828,260.92 and 1,386,288.72

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Solution

The fourth proportional to 1,887,374.16, 2,828,260.92 and 1,386,288.72 is: 2,077,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,374.16 : 2,828,260.92 = 1,386,288.72 : x
  2. Step 2: Convert to fraction form
    1,887,374.16/2,828,260.92 = 1,386,288.72/x
  3. Step 3: Cross multiply
    1,887,374.16x = 2,828,260.92 × 1,386,288.72
  4. Step 4: Simplify right side
    1,887,374.16x = 3,920,786,210,612.82
  5. Step 5: Solve for x
    x = 3,920,786,210,612.82/1,887,374.16
  6. Step 6: Final answer
    x = 2,077,376.23

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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.