Home / 2,688,731.60-4,033,097.40-1,932,904.40

Finding the Fourth Proportional to 2,688,731.60, 4,033,097.40 and 1,932,904.40

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Solution

The fourth proportional to 2,688,731.60, 4,033,097.40 and 1,932,904.40 is: 2,899,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,731.60 : 4,033,097.40 = 1,932,904.40 : x
  2. Step 2: Convert to fraction form
    2,688,731.60/4,033,097.40 = 1,932,904.40/x
  3. Step 3: Cross multiply
    2,688,731.60x = 4,033,097.40 × 1,932,904.40
  4. Step 4: Simplify right side
    2,688,731.60x = 7,795,591,710,088.56
  5. Step 5: Solve for x
    x = 7,795,591,710,088.56/2,688,731.60
  6. Step 6: Final answer
    x = 2,899,356.60

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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.