Home / 3,130,793.40-4,689,969.30-1,708,303.80

Finding the Fourth Proportional to 3,130,793.40, 4,689,969.30 and 1,708,303.80

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Solution

The fourth proportional to 3,130,793.40, 4,689,969.30 and 1,708,303.80 is: 2,559,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,793.40 : 4,689,969.30 = 1,708,303.80 : x
  2. Step 2: Convert to fraction form
    3,130,793.40/4,689,969.30 = 1,708,303.80/x
  3. Step 3: Cross multiply
    3,130,793.40x = 4,689,969.30 × 1,708,303.80
  4. Step 4: Simplify right side
    3,130,793.40x = 8,011,892,377,073.34
  5. Step 5: Solve for x
    x = 8,011,892,377,073.34/3,130,793.40
  6. Step 6: Final answer
    x = 2,559,061.35

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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.