Home / 4,974,772.80-7,464,002.40-1,985,102.40

Finding the Fourth Proportional to 4,974,772.80, 7,464,002.40 and 1,985,102.40

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Solution

The fourth proportional to 4,974,772.80, 7,464,002.40 and 1,985,102.40 is: 2,978,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974,772.80 : 7,464,002.40 = 1,985,102.40 : x
  2. Step 2: Convert to fraction form
    4,974,772.80/7,464,002.40 = 1,985,102.40/x
  3. Step 3: Cross multiply
    4,974,772.80x = 7,464,002.40 × 1,985,102.40
  4. Step 4: Simplify right side
    4,974,772.80x = 14,816,809,077,845.76
  5. Step 5: Solve for x
    x = 14,816,809,077,845.76/4,974,772.80
  6. Step 6: Final answer
    x = 2,978,389.10

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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.