Home / 2,989,876.85-4,124,595.02-1,956,929.88

Finding the Fourth Proportional to 2,989,876.85, 4,124,595.02 and 1,956,929.88

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Solution

The fourth proportional to 2,989,876.85, 4,124,595.02 and 1,956,929.88 is: 2,699,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,876.85 : 4,124,595.02 = 1,956,929.88 : x
  2. Step 2: Convert to fraction form
    2,989,876.85/4,124,595.02 = 1,956,929.88/x
  3. Step 3: Cross multiply
    2,989,876.85x = 4,124,595.02 × 1,956,929.88
  4. Step 4: Simplify right side
    2,989,876.85x = 8,071,543,237,537.20
  5. Step 5: Solve for x
    x = 8,071,543,237,537.20/2,989,876.85
  6. Step 6: Final answer
    x = 2,699,623.98

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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.