Home / 1,550,831.60-2,140,041.64-939,323.76

Finding the Fourth Proportional to 1,550,831.60, 2,140,041.64 and 939,323.76

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Solution

The fourth proportional to 1,550,831.60, 2,140,041.64 and 939,323.76 is: 1,296,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,831.60 : 2,140,041.64 = 939,323.76 : x
  2. Step 2: Convert to fraction form
    1,550,831.60/2,140,041.64 = 939,323.76/x
  3. Step 3: Cross multiply
    1,550,831.60x = 2,140,041.64 × 939,323.76
  4. Step 4: Simplify right side
    1,550,831.60x = 2,010,191,959,841.37
  5. Step 5: Solve for x
    x = 2,010,191,959,841.37/1,550,831.60
  6. Step 6: Final answer
    x = 1,296,202.61

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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.