Home / 4,680,666.90-7,021,000.35-2,759,606.10

Finding the Fourth Proportional to 4,680,666.90, 7,021,000.35 and 2,759,606.10

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Solution

The fourth proportional to 4,680,666.90, 7,021,000.35 and 2,759,606.10 is: 4,139,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,666.90 : 7,021,000.35 = 2,759,606.10 : x
  2. Step 2: Convert to fraction form
    4,680,666.90/7,021,000.35 = 2,759,606.10/x
  3. Step 3: Cross multiply
    4,680,666.90x = 7,021,000.35 × 2,759,606.10
  4. Step 4: Simplify right side
    4,680,666.90x = 19,375,195,393,962.13
  5. Step 5: Solve for x
    x = 19,375,195,393,962.13/4,680,666.90
  6. Step 6: Final answer
    x = 4,139,409.15

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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.