Home / 2,911,492.78-4,017,806.21-1,586,927.94

Finding the Fourth Proportional to 2,911,492.78, 4,017,806.21 and 1,586,927.94

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Solution

The fourth proportional to 2,911,492.78, 4,017,806.21 and 1,586,927.94 is: 2,189,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,492.78 : 4,017,806.21 = 1,586,927.94 : x
  2. Step 2: Convert to fraction form
    2,911,492.78/4,017,806.21 = 1,586,927.94/x
  3. Step 3: Cross multiply
    2,911,492.78x = 4,017,806.21 × 1,586,927.94
  4. Step 4: Simplify right side
    2,911,492.78x = 6,375,968,932,154.51
  5. Step 5: Solve for x
    x = 6,375,968,932,154.51/2,911,492.78
  6. Step 6: Final answer
    x = 2,189,931.22

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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.