Home / 2,913,242.78-4,020,275.76-1,624,055.42

Finding the Fourth Proportional to 2,913,242.78, 4,020,275.76 and 1,624,055.42

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Solution

The fourth proportional to 2,913,242.78, 4,020,275.76 and 1,624,055.42 is: 2,241,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,242.78 : 4,020,275.76 = 1,624,055.42 : x
  2. Step 2: Convert to fraction form
    2,913,242.78/4,020,275.76 = 1,624,055.42/x
  3. Step 3: Cross multiply
    2,913,242.78x = 4,020,275.76 × 1,624,055.42
  4. Step 4: Simplify right side
    2,913,242.78x = 6,529,150,637,922.62
  5. Step 5: Solve for x
    x = 6,529,150,637,922.62/2,913,242.78
  6. Step 6: Final answer
    x = 2,241,196.88

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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.