Home / 4,390,836.40-6,590,401.80-2,711,220.40

Finding the Fourth Proportional to 4,390,836.40, 6,590,401.80 and 2,711,220.40

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Solution

The fourth proportional to 4,390,836.40, 6,590,401.80 and 2,711,220.40 is: 4,069,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390,836.40 : 6,590,401.80 = 2,711,220.40 : x
  2. Step 2: Convert to fraction form
    4,390,836.40/6,590,401.80 = 2,711,220.40/x
  3. Step 3: Cross multiply
    4,390,836.40x = 6,590,401.80 × 2,711,220.40
  4. Step 4: Simplify right side
    4,390,836.40x = 17,868,031,804,356.72
  5. Step 5: Solve for x
    x = 17,868,031,804,356.72/4,390,836.40
  6. Step 6: Final answer
    x = 4,069,391.38

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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.