Home / 4,643,816.72-6,966,561.95-1,910,881.38

Finding the Fourth Proportional to 4,643,816.72, 6,966,561.95 and 1,910,881.38

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Solution

The fourth proportional to 4,643,816.72, 6,966,561.95 and 1,910,881.38 is: 2,866,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643,816.72 : 6,966,561.95 = 1,910,881.38 : x
  2. Step 2: Convert to fraction form
    4,643,816.72/6,966,561.95 = 1,910,881.38/x
  3. Step 3: Cross multiply
    4,643,816.72x = 6,966,561.95 × 1,910,881.38
  4. Step 4: Simplify right side
    4,643,816.72x = 13,312,273,512,871.49
  5. Step 5: Solve for x
    x = 13,312,273,512,871.49/4,643,816.72
  6. Step 6: Final answer
    x = 2,866,666.43

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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.