Home / 3,578,712.59-4,938,585.08-2,128,376.18

Finding the Fourth Proportional to 3,578,712.59, 4,938,585.08 and 2,128,376.18

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Solution

The fourth proportional to 3,578,712.59, 4,938,585.08 and 2,128,376.18 is: 2,937,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,712.59 : 4,938,585.08 = 2,128,376.18 : x
  2. Step 2: Convert to fraction form
    3,578,712.59/4,938,585.08 = 2,128,376.18/x
  3. Step 3: Cross multiply
    3,578,712.59x = 4,938,585.08 × 2,128,376.18
  4. Step 4: Simplify right side
    3,578,712.59x = 10,511,166,811,840.59
  5. Step 5: Solve for x
    x = 10,511,166,811,840.59/3,578,712.59
  6. Step 6: Final answer
    x = 2,937,136.35

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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.