Home / 2,956,405.40-4,434,608.10-2,928,411.80

Finding the Fourth Proportional to 2,956,405.40, 4,434,608.10 and 2,928,411.80

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Solution

The fourth proportional to 2,956,405.40, 4,434,608.10 and 2,928,411.80 is: 4,392,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,405.40 : 4,434,608.10 = 2,928,411.80 : x
  2. Step 2: Convert to fraction form
    2,956,405.40/4,434,608.10 = 2,928,411.80/x
  3. Step 3: Cross multiply
    2,956,405.40x = 4,434,608.10 × 2,928,411.80
  4. Step 4: Simplify right side
    2,956,405.40x = 12,986,358,688,415.58
  5. Step 5: Solve for x
    x = 12,986,358,688,415.58/2,956,405.40
  6. Step 6: Final answer
    x = 4,392,617.70

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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.