Home / 2,800,836.47-3,865,522.64-1,577,381.18

Finding the Fourth Proportional to 2,800,836.47, 3,865,522.64 and 1,577,381.18

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Solution

The fourth proportional to 2,800,836.47, 3,865,522.64 and 1,577,381.18 is: 2,176,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,836.47 : 3,865,522.64 = 1,577,381.18 : x
  2. Step 2: Convert to fraction form
    2,800,836.47/3,865,522.64 = 1,577,381.18/x
  3. Step 3: Cross multiply
    2,800,836.47x = 3,865,522.64 × 1,577,381.18
  4. Step 4: Simplify right side
    2,800,836.47x = 6,097,402,635,985.40
  5. Step 5: Solve for x
    x = 6,097,402,635,985.40/2,800,836.47
  6. Step 6: Final answer
    x = 2,176,993.45

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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.