Home / 2,911,324.22-4,017,643.35-1,688,354.84

Finding the Fourth Proportional to 2,911,324.22, 4,017,643.35 and 1,688,354.84

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Solution

The fourth proportional to 2,911,324.22, 4,017,643.35 and 1,688,354.84 is: 2,329,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,324.22 : 4,017,643.35 = 1,688,354.84 : x
  2. Step 2: Convert to fraction form
    2,911,324.22/4,017,643.35 = 1,688,354.84/x
  3. Step 3: Cross multiply
    2,911,324.22x = 4,017,643.35 × 1,688,354.84
  4. Step 4: Simplify right side
    2,911,324.22x = 6,783,207,575,278.10
  5. Step 5: Solve for x
    x = 6,783,207,575,278.10/2,911,324.22
  6. Step 6: Final answer
    x = 2,329,938.91

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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.