Home / 3,780,675.60-5,671,013.40-3,450,001.20

Finding the Fourth Proportional to 3,780,675.60, 5,671,013.40 and 3,450,001.20

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Solution

The fourth proportional to 3,780,675.60, 5,671,013.40 and 3,450,001.20 is: 5,175,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,675.60 : 5,671,013.40 = 3,450,001.20 : x
  2. Step 2: Convert to fraction form
    3,780,675.60/5,671,013.40 = 3,450,001.20/x
  3. Step 3: Cross multiply
    3,780,675.60x = 5,671,013.40 × 3,450,001.20
  4. Step 4: Simplify right side
    3,780,675.60x = 19,565,003,035,216.08
  5. Step 5: Solve for x
    x = 19,565,003,035,216.08/3,780,675.60
  6. Step 6: Final answer
    x = 5,175,001.80

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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.