Home / 4,370,407.60-6,555,611.40-2,688,458.80

Finding the Fourth Proportional to 4,370,407.60, 6,555,611.40 and 2,688,458.80

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Solution

The fourth proportional to 4,370,407.60, 6,555,611.40 and 2,688,458.80 is: 4,032,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370,407.60 : 6,555,611.40 = 2,688,458.80 : x
  2. Step 2: Convert to fraction form
    4,370,407.60/6,555,611.40 = 2,688,458.80/x
  3. Step 3: Cross multiply
    4,370,407.60x = 6,555,611.40 × 2,688,458.80
  4. Step 4: Simplify right side
    4,370,407.60x = 17,624,491,157,710.32
  5. Step 5: Solve for x
    x = 17,624,491,157,710.32/4,370,407.60
  6. Step 6: Final answer
    x = 4,032,688.20

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1.5x scale

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.