Home / 2,688,831.07-4,030,312.27-1,323,544.38

Finding the Fourth Proportional to 2,688,831.07, 4,030,312.27 and 1,323,544.38

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Solution

The fourth proportional to 2,688,831.07, 4,030,312.27 and 1,323,544.38 is: 1,983,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,831.07 : 4,030,312.27 = 1,323,544.38 : x
  2. Step 2: Convert to fraction form
    2,688,831.07/4,030,312.27 = 1,323,544.38/x
  3. Step 3: Cross multiply
    2,688,831.07x = 4,030,312.27 × 1,323,544.38
  4. Step 4: Simplify right side
    2,688,831.07x = 5,334,297,146,275.44
  5. Step 5: Solve for x
    x = 5,334,297,146,275.44/2,688,831.07
  6. Step 6: Final answer
    x = 1,983,872.18

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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.