Home / 4,684,114.80-7,020,923.40-1,987,981.20

Finding the Fourth Proportional to 4,684,114.80, 7,020,923.40 and 1,987,981.20

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Solution

The fourth proportional to 4,684,114.80, 7,020,923.40 and 1,987,981.20 is: 2,979,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684,114.80 : 7,020,923.40 = 1,987,981.20 : x
  2. Step 2: Convert to fraction form
    4,684,114.80/7,020,923.40 = 1,987,981.20/x
  3. Step 3: Cross multiply
    4,684,114.80x = 7,020,923.40 × 1,987,981.20
  4. Step 4: Simplify right side
    4,684,114.80x = 13,957,463,725,840.08
  5. Step 5: Solve for x
    x = 13,957,463,725,840.08/4,684,114.80
  6. Step 6: Final answer
    x = 2,979,744.16

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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.