Home / 5,357,044.80-7,392,775.60-2,909,703.76

Finding the Fourth Proportional to 5,357,044.80, 7,392,775.60 and 2,909,703.76

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Solution

The fourth proportional to 5,357,044.80, 7,392,775.60 and 2,909,703.76 is: 4,015,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,044.80 : 7,392,775.60 = 2,909,703.76 : x
  2. Step 2: Convert to fraction form
    5,357,044.80/7,392,775.60 = 2,909,703.76/x
  3. Step 3: Cross multiply
    5,357,044.80x = 7,392,775.60 × 2,909,703.76
  4. Step 4: Simplify right side
    5,357,044.80x = 21,510,786,960,156.25
  5. Step 5: Solve for x
    x = 21,510,786,960,156.25/5,357,044.80
  6. Step 6: Final answer
    x = 4,015,420.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.