Home / 2,142,413.55-3,210,297.91-1,241,621.06

Finding the Fourth Proportional to 2,142,413.55, 3,210,297.91 and 1,241,621.06

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Solution

The fourth proportional to 2,142,413.55, 3,210,297.91 and 1,241,621.06 is: 1,860,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,413.55 : 3,210,297.91 = 1,241,621.06 : x
  2. Step 2: Convert to fraction form
    2,142,413.55/3,210,297.91 = 1,241,621.06/x
  3. Step 3: Cross multiply
    2,142,413.55x = 3,210,297.91 × 1,241,621.06
  4. Step 4: Simplify right side
    2,142,413.55x = 3,985,973,474,774.44
  5. Step 5: Solve for x
    x = 3,985,973,474,774.44/2,142,413.55
  6. Step 6: Final answer
    x = 1,860,506.10

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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.