Home / 5,210,009.40-7,815,014.10-3,509,398.20

Finding the Fourth Proportional to 5,210,009.40, 7,815,014.10 and 3,509,398.20

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Solution

The fourth proportional to 5,210,009.40, 7,815,014.10 and 3,509,398.20 is: 5,264,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,009.40 : 7,815,014.10 = 3,509,398.20 : x
  2. Step 2: Convert to fraction form
    5,210,009.40/7,815,014.10 = 3,509,398.20/x
  3. Step 3: Cross multiply
    5,210,009.40x = 7,815,014.10 × 3,509,398.20
  4. Step 4: Simplify right side
    5,210,009.40x = 27,425,996,415,514.62
  5. Step 5: Solve for x
    x = 27,425,996,415,514.62/5,210,009.40
  6. Step 6: Final answer
    x = 5,264,097.30

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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.