Home / 4,637,642.61-6,949,369.40-2,478,974.79

Finding the Fourth Proportional to 4,637,642.61, 6,949,369.40 and 2,478,974.79

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Solution

The fourth proportional to 4,637,642.61, 6,949,369.40 and 2,478,974.79 is: 3,714,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637,642.61 : 6,949,369.40 = 2,478,974.79 : x
  2. Step 2: Convert to fraction form
    4,637,642.61/6,949,369.40 = 2,478,974.79/x
  3. Step 3: Cross multiply
    4,637,642.61x = 6,949,369.40 × 2,478,974.79
  4. Step 4: Simplify right side
    4,637,642.61x = 17,227,311,536,602.55
  5. Step 5: Solve for x
    x = 17,227,311,536,602.55/4,637,642.61
  6. Step 6: Final answer
    x = 3,714,669.93

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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.