Home / 4,820,921.76-6,652,853.76-2,645,501.28

Finding the Fourth Proportional to 4,820,921.76, 6,652,853.76 and 2,645,501.28

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Solution

The fourth proportional to 4,820,921.76, 6,652,853.76 and 2,645,501.28 is: 3,650,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820,921.76 : 6,652,853.76 = 2,645,501.28 : x
  2. Step 2: Convert to fraction form
    4,820,921.76/6,652,853.76 = 2,645,501.28/x
  3. Step 3: Cross multiply
    4,820,921.76x = 6,652,853.76 × 2,645,501.28
  4. Step 4: Simplify right side
    4,820,921.76x = 17,600,133,137,732.81
  5. Step 5: Solve for x
    x = 17,600,133,137,732.81/4,820,921.76
  6. Step 6: Final answer
    x = 3,650,781.74

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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.