Home / 3,909,175.20-5,863,762.80-1,069,574.40

Finding the Fourth Proportional to 3,909,175.20, 5,863,762.80 and 1,069,574.40

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Solution

The fourth proportional to 3,909,175.20, 5,863,762.80 and 1,069,574.40 is: 1,604,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,175.20 : 5,863,762.80 = 1,069,574.40 : x
  2. Step 2: Convert to fraction form
    3,909,175.20/5,863,762.80 = 1,069,574.40/x
  3. Step 3: Cross multiply
    3,909,175.20x = 5,863,762.80 × 1,069,574.40
  4. Step 4: Simplify right side
    3,909,175.20x = 6,271,730,578,552.32
  5. Step 5: Solve for x
    x = 6,271,730,578,552.32/3,909,175.20
  6. Step 6: Final answer
    x = 1,604,361.60

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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.