Home / 2,801,031.80-4,191,870.90-1,679,905.40

Finding the Fourth Proportional to 2,801,031.80, 4,191,870.90 and 1,679,905.40

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Solution

The fourth proportional to 2,801,031.80, 4,191,870.90 and 1,679,905.40 is: 2,514,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,031.80 : 4,191,870.90 = 1,679,905.40 : x
  2. Step 2: Convert to fraction form
    2,801,031.80/4,191,870.90 = 1,679,905.40/x
  3. Step 3: Cross multiply
    2,801,031.80x = 4,191,870.90 × 1,679,905.40
  4. Step 4: Simplify right side
    2,801,031.80x = 7,041,946,561,012.86
  5. Step 5: Solve for x
    x = 7,041,946,561,012.86/2,801,031.80
  6. Step 6: Final answer
    x = 2,514,054.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.