Home / 7,249,840.80-10,878,697.80-2,990,439.60

Finding the Fourth Proportional to 7,249,840.80, 10,878,697.80 and 2,990,439.60

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Solution

The fourth proportional to 7,249,840.80, 10,878,697.80 and 2,990,439.60 is: 4,487,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,840.80 : 10,878,697.80 = 2,990,439.60 : x
  2. Step 2: Convert to fraction form
    7,249,840.80/10,878,697.80 = 2,990,439.60/x
  3. Step 3: Cross multiply
    7,249,840.80x = 10,878,697.80 × 2,990,439.60
  4. Step 4: Simplify right side
    7,249,840.80x = 32,532,088,697,552.88
  5. Step 5: Solve for x
    x = 32,532,088,697,552.88/7,249,840.80
  6. Step 6: Final answer
    x = 4,487,283.18

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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.