Home / 3,130,790.40-4,689,964.80-1,708,300.80

Finding the Fourth Proportional to 3,130,790.40, 4,689,964.80 and 1,708,300.80

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Solution

The fourth proportional to 3,130,790.40, 4,689,964.80 and 1,708,300.80 is: 2,559,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,790.40 : 4,689,964.80 = 1,708,300.80 : x
  2. Step 2: Convert to fraction form
    3,130,790.40/4,689,964.80 = 1,708,300.80/x
  3. Step 3: Cross multiply
    3,130,790.40x = 4,689,964.80 × 1,708,300.80
  4. Step 4: Simplify right side
    3,130,790.40x = 8,011,870,619,811.84
  5. Step 5: Solve for x
    x = 8,011,870,619,811.84/3,130,790.40
  6. Step 6: Final answer
    x = 2,559,056.85

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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.