Home / 3,646,809-5,470,446.78-1,402,947

Finding the Fourth Proportional to 3,646,809, 5,470,446.78 and 1,402,947

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Solution

The fourth proportional to 3,646,809, 5,470,446.78 and 1,402,947 is: 2,104,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,809 : 5,470,446.78 = 1,402,947 : x
  2. Step 2: Convert to fraction form
    3,646,809/5,470,446.78 = 1,402,947/x
  3. Step 3: Cross multiply
    3,646,809x = 5,470,446.78 × 1,402,947
  4. Step 4: Simplify right side
    3,646,809x = 7,674,746,898,660.66
  5. Step 5: Solve for x
    x = 7,674,746,898,660.66/3,646,809
  6. Step 6: Final answer
    x = 2,104,510.24

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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.