Home / 5,105,111.10-7,657,666.65-2,580,438.30

Finding the Fourth Proportional to 5,105,111.10, 7,657,666.65 and 2,580,438.30

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Solution

The fourth proportional to 5,105,111.10, 7,657,666.65 and 2,580,438.30 is: 3,870,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,111.10 : 7,657,666.65 = 2,580,438.30 : x
  2. Step 2: Convert to fraction form
    5,105,111.10/7,657,666.65 = 2,580,438.30/x
  3. Step 3: Cross multiply
    5,105,111.10x = 7,657,666.65 × 2,580,438.30
  4. Step 4: Simplify right side
    5,105,111.10x = 19,760,136,312,292.70
  5. Step 5: Solve for x
    x = 19,760,136,312,292.70/5,105,111.10
  6. Step 6: Final answer
    x = 3,870,657.45

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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.