Home / 3,470,199.50-4,788,825.81-1,921,312.64

Finding the Fourth Proportional to 3,470,199.50, 4,788,825.81 and 1,921,312.64

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Solution

The fourth proportional to 3,470,199.50, 4,788,825.81 and 1,921,312.64 is: 2,651,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,199.50 : 4,788,825.81 = 1,921,312.64 : x
  2. Step 2: Convert to fraction form
    3,470,199.50/4,788,825.81 = 1,921,312.64/x
  3. Step 3: Cross multiply
    3,470,199.50x = 4,788,825.81 × 1,921,312.64
  4. Step 4: Simplify right side
    3,470,199.50x = 9,200,831,564,278.38
  5. Step 5: Solve for x
    x = 9,200,831,564,278.38/3,470,199.50
  6. Step 6: Final answer
    x = 2,651,384.04

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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.