Home / 5,390,312.47-7,438,592.70-2,942,923.45

Finding the Fourth Proportional to 5,390,312.47, 7,438,592.70 and 2,942,923.45

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Solution

The fourth proportional to 5,390,312.47, 7,438,592.70 and 2,942,923.45 is: 4,061,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,312.47 : 7,438,592.70 = 2,942,923.45 : x
  2. Step 2: Convert to fraction form
    5,390,312.47/7,438,592.70 = 2,942,923.45/x
  3. Step 3: Cross multiply
    5,390,312.47x = 7,438,592.70 × 2,942,923.45
  4. Step 4: Simplify right side
    5,390,312.47x = 21,891,208,891,828.82
  5. Step 5: Solve for x
    x = 21,891,208,891,828.82/5,390,312.47
  6. Step 6: Final answer
    x = 4,061,213.34

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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.