Home / 1,931,288.86-2,665,054.47-1,071,849.70

Finding the Fourth Proportional to 1,931,288.86, 2,665,054.47 and 1,071,849.70

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Solution

The fourth proportional to 1,931,288.86, 2,665,054.47 and 1,071,849.70 is: 1,479,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,288.86 : 2,665,054.47 = 1,071,849.70 : x
  2. Step 2: Convert to fraction form
    1,931,288.86/2,665,054.47 = 1,071,849.70/x
  3. Step 3: Cross multiply
    1,931,288.86x = 2,665,054.47 × 1,071,849.70
  4. Step 4: Simplify right side
    1,931,288.86x = 2,856,537,834,153.16
  5. Step 5: Solve for x
    x = 2,856,537,834,153.16/1,931,288.86
  6. Step 6: Final answer
    x = 1,479,083.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.