Home / 5,426,881.02-7,489,306.41-2,979,595.20

Finding the Fourth Proportional to 5,426,881.02, 7,489,306.41 and 2,979,595.20

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Solution

The fourth proportional to 5,426,881.02, 7,489,306.41 and 2,979,595.20 is: 4,111,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,881.02 : 7,489,306.41 = 2,979,595.20 : x
  2. Step 2: Convert to fraction form
    5,426,881.02/7,489,306.41 = 2,979,595.20/x
  3. Step 3: Cross multiply
    5,426,881.02x = 7,489,306.41 × 2,979,595.20
  4. Step 4: Simplify right side
    5,426,881.02x = 22,315,101,430,565.23
  5. Step 5: Solve for x
    x = 22,315,101,430,565.23/5,426,881.02
  6. Step 6: Final answer
    x = 4,111,957.01

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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.