Home / 2,119,348.72-2,924,612.22-1,201,639.51

Finding the Fourth Proportional to 2,119,348.72, 2,924,612.22 and 1,201,639.51

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Solution

The fourth proportional to 2,119,348.72, 2,924,612.22 and 1,201,639.51 is: 1,658,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,348.72 : 2,924,612.22 = 1,201,639.51 : x
  2. Step 2: Convert to fraction form
    2,119,348.72/2,924,612.22 = 1,201,639.51/x
  3. Step 3: Cross multiply
    2,119,348.72x = 2,924,612.22 × 1,201,639.51
  4. Step 4: Simplify right side
    2,119,348.72x = 3,514,329,594,980.81
  5. Step 5: Solve for x
    x = 3,514,329,594,980.81/2,119,348.72
  6. Step 6: Final answer
    x = 1,658,212.05

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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.