Home / 2,318,802.30-3,478,203.45-1,311,032.70

Finding the Fourth Proportional to 2,318,802.30, 3,478,203.45 and 1,311,032.70

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Solution

The fourth proportional to 2,318,802.30, 3,478,203.45 and 1,311,032.70 is: 1,966,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,802.30 : 3,478,203.45 = 1,311,032.70 : x
  2. Step 2: Convert to fraction form
    2,318,802.30/3,478,203.45 = 1,311,032.70/x
  3. Step 3: Cross multiply
    2,318,802.30x = 3,478,203.45 × 1,311,032.70
  4. Step 4: Simplify right side
    2,318,802.30x = 4,560,038,460,202.82
  5. Step 5: Solve for x
    x = 4,560,038,460,202.82/2,318,802.30
  6. Step 6: Final answer
    x = 1,966,549.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.