Home / 6,648,001.80-9,979,875.90-3,771,659.40

Finding the Fourth Proportional to 6,648,001.80, 9,979,875.90 and 3,771,659.40

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Solution

The fourth proportional to 6,648,001.80, 9,979,875.90 and 3,771,659.40 is: 5,661,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,001.80 : 9,979,875.90 = 3,771,659.40 : x
  2. Step 2: Convert to fraction form
    6,648,001.80/9,979,875.90 = 3,771,659.40/x
  3. Step 3: Cross multiply
    6,648,001.80x = 9,979,875.90 × 3,771,659.40
  4. Step 4: Simplify right side
    6,648,001.80x = 37,640,692,749,068.46
  5. Step 5: Solve for x
    x = 37,640,692,749,068.46/6,648,001.80
  6. Step 6: Final answer
    x = 5,661,955.86

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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.