Home / 2,784,384.40-4,168,282.20-1,661,875.60

Finding the Fourth Proportional to 2,784,384.40, 4,168,282.20 and 1,661,875.60

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Solution

The fourth proportional to 2,784,384.40, 4,168,282.20 and 1,661,875.60 is: 2,487,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,384.40 : 4,168,282.20 = 1,661,875.60 : x
  2. Step 2: Convert to fraction form
    2,784,384.40/4,168,282.20 = 1,661,875.60/x
  3. Step 3: Cross multiply
    2,784,384.40x = 4,168,282.20 × 1,661,875.60
  4. Step 4: Simplify right side
    2,784,384.40x = 6,927,166,482,094.32
  5. Step 5: Solve for x
    x = 6,927,166,482,094.32/2,784,384.40
  6. Step 6: Final answer
    x = 2,487,862.84

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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.