Home / 3,429,698.49-4,732,642.80-1,979,861.04

Finding the Fourth Proportional to 3,429,698.49, 4,732,642.80 and 1,979,861.04

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Solution

The fourth proportional to 3,429,698.49, 4,732,642.80 and 1,979,861.04 is: 2,732,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,698.49 : 4,732,642.80 = 1,979,861.04 : x
  2. Step 2: Convert to fraction form
    3,429,698.49/4,732,642.80 = 1,979,861.04/x
  3. Step 3: Cross multiply
    3,429,698.49x = 4,732,642.80 × 1,979,861.04
  4. Step 4: Simplify right side
    3,429,698.49x = 9,369,975,095,956.51
  5. Step 5: Solve for x
    x = 9,369,975,095,956.51/3,429,698.49
  6. Step 6: Final answer
    x = 2,732,011.32

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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.