Home / 1,812,680-2,501,498.40-1,007,864

Finding the Fourth Proportional to 1,812,680, 2,501,498.40 and 1,007,864

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Solution

The fourth proportional to 1,812,680, 2,501,498.40 and 1,007,864 is: 1,390,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,680 : 2,501,498.40 = 1,007,864 : x
  2. Step 2: Convert to fraction form
    1,812,680/2,501,498.40 = 1,007,864/x
  3. Step 3: Cross multiply
    1,812,680x = 2,501,498.40 × 1,007,864
  4. Step 4: Simplify right side
    1,812,680x = 2,521,170,183,417.60
  5. Step 5: Solve for x
    x = 2,521,170,183,417.60/1,812,680
  6. Step 6: Final answer
    x = 1,390,852.32

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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.