Home / 1,931,410.04-2,665,345.70-1,071,970.07

Finding the Fourth Proportional to 1,931,410.04, 2,665,345.70 and 1,071,970.07

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Solution

The fourth proportional to 1,931,410.04, 2,665,345.70 and 1,071,970.07 is: 1,479,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,410.04 : 2,665,345.70 = 1,071,970.07 : x
  2. Step 2: Convert to fraction form
    1,931,410.04/2,665,345.70 = 1,071,970.07/x
  3. Step 3: Cross multiply
    1,931,410.04x = 2,665,345.70 × 1,071,970.07
  4. Step 4: Simplify right side
    1,931,410.04x = 2,857,170,805,956.40
  5. Step 5: Solve for x
    x = 2,857,170,805,956.40/1,931,410.04
  6. Step 6: Final answer
    x = 1,479,318.61

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Why These Related Problems?

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