Home / 3,478,417.92-4,800,492.02-1,929,832.40

Finding the Fourth Proportional to 3,478,417.92, 4,800,492.02 and 1,929,832.40

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Solution

The fourth proportional to 3,478,417.92, 4,800,492.02 and 1,929,832.40 is: 2,663,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,417.92 : 4,800,492.02 = 1,929,832.40 : x
  2. Step 2: Convert to fraction form
    3,478,417.92/4,800,492.02 = 1,929,832.40/x
  3. Step 3: Cross multiply
    3,478,417.92x = 4,800,492.02 × 1,929,832.40
  4. Step 4: Simplify right side
    3,478,417.92x = 9,264,145,036,137.45
  5. Step 5: Solve for x
    x = 9,264,145,036,137.45/3,478,417.92
  6. Step 6: Final answer
    x = 2,663,321.44

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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.