Home / 5,297,900.80-7,938,686.40-3,943,710.40

Finding the Fourth Proportional to 5,297,900.80, 7,938,686.40 and 3,943,710.40

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Solution

The fourth proportional to 5,297,900.80, 7,938,686.40 and 3,943,710.40 is: 5,909,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,900.80 : 7,938,686.40 = 3,943,710.40 : x
  2. Step 2: Convert to fraction form
    5,297,900.80/7,938,686.40 = 3,943,710.40/x
  3. Step 3: Cross multiply
    5,297,900.80x = 7,938,686.40 × 3,943,710.40
  4. Step 4: Simplify right side
    5,297,900.80x = 31,307,880,118,018.56
  5. Step 5: Solve for x
    x = 31,307,880,118,018.56/5,297,900.80
  6. Step 6: Final answer
    x = 5,909,487.80

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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.