Home / 2,877,347.10-3,970,835.19-1,570,676.70

Finding the Fourth Proportional to 2,877,347.10, 3,970,835.19 and 1,570,676.70

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Solution

The fourth proportional to 2,877,347.10, 3,970,835.19 and 1,570,676.70 is: 2,167,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,347.10 : 3,970,835.19 = 1,570,676.70 : x
  2. Step 2: Convert to fraction form
    2,877,347.10/3,970,835.19 = 1,570,676.70/x
  3. Step 3: Cross multiply
    2,877,347.10x = 3,970,835.19 × 1,570,676.70
  4. Step 4: Simplify right side
    2,877,347.10x = 6,236,898,312,473.07
  5. Step 5: Solve for x
    x = 6,236,898,312,473.07/2,877,347.10
  6. Step 6: Final answer
    x = 2,167,586.35

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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.