Home / 1,886,981.32-2,828,109.21-1,486,038.61

Finding the Fourth Proportional to 1,886,981.32, 2,828,109.21 and 1,486,038.61

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Solution

The fourth proportional to 1,886,981.32, 2,828,109.21 and 1,486,038.61 is: 2,227,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,981.32 : 2,828,109.21 = 1,486,038.61 : x
  2. Step 2: Convert to fraction form
    1,886,981.32/2,828,109.21 = 1,486,038.61/x
  3. Step 3: Cross multiply
    1,886,981.32x = 2,828,109.21 × 1,486,038.61
  4. Step 4: Simplify right side
    1,886,981.32x = 4,202,679,479,356.60
  5. Step 5: Solve for x
    x = 4,202,679,479,356.60/1,886,981.32
  6. Step 6: Final answer
    x = 2,227,197.18

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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.