Home / 2,158,547.30-3,237,256.68-641,821.76

Finding the Fourth Proportional to 2,158,547.30, 3,237,256.68 and 641,821.76

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Solution

The fourth proportional to 2,158,547.30, 3,237,256.68 and 641,821.76 is: 962,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,547.30 : 3,237,256.68 = 641,821.76 : x
  2. Step 2: Convert to fraction form
    2,158,547.30/3,237,256.68 = 641,821.76/x
  3. Step 3: Cross multiply
    2,158,547.30x = 3,237,256.68 × 641,821.76
  4. Step 4: Simplify right side
    2,158,547.30x = 2,077,741,779,929.36
  5. Step 5: Solve for x
    x = 2,077,741,779,929.36/2,158,547.30
  6. Step 6: Final answer
    x = 962,564.86

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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.