Home / 5,078,378.69-7,617,479.80-2,045,667.03

Finding the Fourth Proportional to 5,078,378.69, 7,617,479.80 and 2,045,667.03

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Solution

The fourth proportional to 5,078,378.69, 7,617,479.80 and 2,045,667.03 is: 3,068,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,378.69 : 7,617,479.80 = 2,045,667.03 : x
  2. Step 2: Convert to fraction form
    5,078,378.69/7,617,479.80 = 2,045,667.03/x
  3. Step 3: Cross multiply
    5,078,378.69x = 7,617,479.80 × 2,045,667.03
  4. Step 4: Simplify right side
    5,078,378.69x = 15,582,827,285,555.28
  5. Step 5: Solve for x
    x = 15,582,827,285,555.28/5,078,378.69
  6. Step 6: Final answer
    x = 3,068,465.00

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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.