Home / 2,911,511.28-4,017,831.72-1,586,946.40

Finding the Fourth Proportional to 2,911,511.28, 4,017,831.72 and 1,586,946.40

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Solution

The fourth proportional to 2,911,511.28, 4,017,831.72 and 1,586,946.40 is: 2,189,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,511.28 : 4,017,831.72 = 1,586,946.40 : x
  2. Step 2: Convert to fraction form
    2,911,511.28/4,017,831.72 = 1,586,946.40/x
  3. Step 3: Cross multiply
    2,911,511.28x = 4,017,831.72 × 1,586,946.40
  4. Step 4: Simplify right side
    2,911,511.28x = 6,376,083,583,859.81
  5. Step 5: Solve for x
    x = 6,376,083,583,859.81/2,911,511.28
  6. Step 6: Final answer
    x = 2,189,956.68

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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.