Home / 2,830,831.80-3,907,350.70-1,864,667.32

Finding the Fourth Proportional to 2,830,831.80, 3,907,350.70 and 1,864,667.32

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Solution

The fourth proportional to 2,830,831.80, 3,907,350.70 and 1,864,667.32 is: 2,573,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,831.80 : 3,907,350.70 = 1,864,667.32 : x
  2. Step 2: Convert to fraction form
    2,830,831.80/3,907,350.70 = 1,864,667.32/x
  3. Step 3: Cross multiply
    2,830,831.80x = 3,907,350.70 × 1,864,667.32
  4. Step 4: Simplify right side
    2,830,831.80x = 7,285,909,158,069.13
  5. Step 5: Solve for x
    x = 7,285,909,158,069.13/2,830,831.80
  6. Step 6: Final answer
    x = 2,573,769.72

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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.