Home / 2,145,526.72-2,960,857.20-1,178,746.36

Finding the Fourth Proportional to 2,145,526.72, 2,960,857.20 and 1,178,746.36

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Solution

The fourth proportional to 2,145,526.72, 2,960,857.20 and 1,178,746.36 is: 1,626,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,526.72 : 2,960,857.20 = 1,178,746.36 : x
  2. Step 2: Convert to fraction form
    2,145,526.72/2,960,857.20 = 1,178,746.36/x
  3. Step 3: Cross multiply
    2,145,526.72x = 2,960,857.20 × 1,178,746.36
  4. Step 4: Simplify right side
    2,145,526.72x = 3,490,099,646,979.79
  5. Step 5: Solve for x
    x = 3,490,099,646,979.79/2,145,526.72
  6. Step 6: Final answer
    x = 1,626,686.64

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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.