Home / 2,688,097.20-4,032,145.80-2,473,479.60

Finding the Fourth Proportional to 2,688,097.20, 4,032,145.80 and 2,473,479.60

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Solution

The fourth proportional to 2,688,097.20, 4,032,145.80 and 2,473,479.60 is: 3,710,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,097.20 : 4,032,145.80 = 2,473,479.60 : x
  2. Step 2: Convert to fraction form
    2,688,097.20/4,032,145.80 = 2,473,479.60/x
  3. Step 3: Cross multiply
    2,688,097.20x = 4,032,145.80 × 2,473,479.60
  4. Step 4: Simplify right side
    2,688,097.20x = 9,973,430,380,525.68
  5. Step 5: Solve for x
    x = 9,973,430,380,525.68/2,688,097.20
  6. Step 6: Final answer
    x = 3,710,219.40

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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.