Home / 5,217,263.40-7,825,895.10-1,430,740.20

Finding the Fourth Proportional to 5,217,263.40, 7,825,895.10 and 1,430,740.20

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Solution

The fourth proportional to 5,217,263.40, 7,825,895.10 and 1,430,740.20 is: 2,146,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,263.40 : 7,825,895.10 = 1,430,740.20 : x
  2. Step 2: Convert to fraction form
    5,217,263.40/7,825,895.10 = 1,430,740.20/x
  3. Step 3: Cross multiply
    5,217,263.40x = 7,825,895.10 × 1,430,740.20
  4. Step 4: Simplify right side
    5,217,263.40x = 11,196,822,720,553.02
  5. Step 5: Solve for x
    x = 11,196,822,720,553.02/5,217,263.40
  6. Step 6: Final answer
    x = 2,146,110.30

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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.