Home / 2,688,503.49-3,711,506.31-1,821,916.35

Finding the Fourth Proportional to 2,688,503.49, 3,711,506.31 and 1,821,916.35

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Solution

The fourth proportional to 2,688,503.49, 3,711,506.31 and 1,821,916.35 is: 2,515,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,503.49 : 3,711,506.31 = 1,821,916.35 : x
  2. Step 2: Convert to fraction form
    2,688,503.49/3,711,506.31 = 1,821,916.35/x
  3. Step 3: Cross multiply
    2,688,503.49x = 3,711,506.31 × 1,821,916.35
  4. Step 4: Simplify right side
    2,688,503.49x = 6,762,054,029,317.17
  5. Step 5: Solve for x
    x = 6,762,054,029,317.17/2,688,503.49
  6. Step 6: Final answer
    x = 2,515,173.98

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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.