Home / 1,646,460.90-2,272,221.45-921,392.10

Finding the Fourth Proportional to 1,646,460.90, 2,272,221.45 and 921,392.10

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Solution

The fourth proportional to 1,646,460.90, 2,272,221.45 and 921,392.10 is: 1,271,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,460.90 : 2,272,221.45 = 921,392.10 : x
  2. Step 2: Convert to fraction form
    1,646,460.90/2,272,221.45 = 921,392.10/x
  3. Step 3: Cross multiply
    1,646,460.90x = 2,272,221.45 × 921,392.10
  4. Step 4: Simplify right side
    1,646,460.90x = 2,093,606,893,480.55
  5. Step 5: Solve for x
    x = 2,093,606,893,480.55/1,646,460.90
  6. Step 6: Final answer
    x = 1,271,580.09

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1.5x scale

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.