Home / 1,646,827.23-2,272,621.21-921,674.91

Finding the Fourth Proportional to 1,646,827.23, 2,272,621.21 and 921,674.91

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Solution

The fourth proportional to 1,646,827.23, 2,272,621.21 and 921,674.91 is: 1,271,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,827.23 : 2,272,621.21 = 921,674.91 : x
  2. Step 2: Convert to fraction form
    1,646,827.23/2,272,621.21 = 921,674.91/x
  3. Step 3: Cross multiply
    1,646,827.23x = 2,272,621.21 × 921,674.91
  4. Step 4: Simplify right side
    1,646,827.23x = 2,094,617,949,190.84
  5. Step 5: Solve for x
    x = 2,094,617,949,190.84/1,646,827.23
  6. Step 6: Final answer
    x = 1,271,911.17

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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.