Home / 2,820,533.84-3,892,336.56-1,531,374.40

Finding the Fourth Proportional to 2,820,533.84, 3,892,336.56 and 1,531,374.40

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Solution

The fourth proportional to 2,820,533.84, 3,892,336.56 and 1,531,374.40 is: 2,113,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,533.84 : 3,892,336.56 = 1,531,374.40 : x
  2. Step 2: Convert to fraction form
    2,820,533.84/3,892,336.56 = 1,531,374.40/x
  3. Step 3: Cross multiply
    2,820,533.84x = 3,892,336.56 × 1,531,374.40
  4. Step 4: Simplify right side
    2,820,533.84x = 5,960,624,564,168.06
  5. Step 5: Solve for x
    x = 5,960,624,564,168.06/2,820,533.84
  6. Step 6: Final answer
    x = 2,113,296.60

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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.