Home / 3,020,385.32-4,167,193.56-1,713,421.88

Finding the Fourth Proportional to 3,020,385.32, 4,167,193.56 and 1,713,421.88

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Solution

The fourth proportional to 3,020,385.32, 4,167,193.56 and 1,713,421.88 is: 2,363,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,385.32 : 4,167,193.56 = 1,713,421.88 : x
  2. Step 2: Convert to fraction form
    3,020,385.32/4,167,193.56 = 1,713,421.88/x
  3. Step 3: Cross multiply
    3,020,385.32x = 4,167,193.56 × 1,713,421.88
  4. Step 4: Simplify right side
    3,020,385.32x = 7,140,160,623,899.09
  5. Step 5: Solve for x
    x = 7,140,160,623,899.09/3,020,385.32
  6. Step 6: Final answer
    x = 2,363,989.98

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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.