Home / 3,111,031.38-4,671,609.96-1,920,521.52

Finding the Fourth Proportional to 3,111,031.38, 4,671,609.96 and 1,920,521.52

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Solution

The fourth proportional to 3,111,031.38, 4,671,609.96 and 1,920,521.52 is: 2,883,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,031.38 : 4,671,609.96 = 1,920,521.52 : x
  2. Step 2: Convert to fraction form
    3,111,031.38/4,671,609.96 = 1,920,521.52/x
  3. Step 3: Cross multiply
    3,111,031.38x = 4,671,609.96 × 1,920,521.52
  4. Step 4: Simplify right side
    3,111,031.38x = 8,971,927,461,226.34
  5. Step 5: Solve for x
    x = 8,971,927,461,226.34/3,111,031.38
  6. Step 6: Final answer
    x = 2,883,907.74

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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.