Home / 1,948,462.34-2,921,946.08-668,831.36

Finding the Fourth Proportional to 1,948,462.34, 2,921,946.08 and 668,831.36

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Solution

The fourth proportional to 1,948,462.34, 2,921,946.08 and 668,831.36 is: 1,002,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,462.34 : 2,921,946.08 = 668,831.36 : x
  2. Step 2: Convert to fraction form
    1,948,462.34/2,921,946.08 = 668,831.36/x
  3. Step 3: Cross multiply
    1,948,462.34x = 2,921,946.08 × 668,831.36
  4. Step 4: Simplify right side
    1,948,462.34x = 1,954,289,152,579.18
  5. Step 5: Solve for x
    x = 1,954,289,152,579.18/1,948,462.34
  6. Step 6: Final answer
    x = 1,002,990.47

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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.