Home / 1,778,474.40-2,667,711.60-1,675,831.20

Finding the Fourth Proportional to 1,778,474.40, 2,667,711.60 and 1,675,831.20

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Solution

The fourth proportional to 1,778,474.40, 2,667,711.60 and 1,675,831.20 is: 2,513,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,474.40 : 2,667,711.60 = 1,675,831.20 : x
  2. Step 2: Convert to fraction form
    1,778,474.40/2,667,711.60 = 1,675,831.20/x
  3. Step 3: Cross multiply
    1,778,474.40x = 2,667,711.60 × 1,675,831.20
  4. Step 4: Simplify right side
    1,778,474.40x = 4,470,634,331,881.92
  5. Step 5: Solve for x
    x = 4,470,634,331,881.92/1,778,474.40
  6. Step 6: Final answer
    x = 2,513,746.80

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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.