Home / 2,107,592.34-2,908,547.85-1,291,638.39

Finding the Fourth Proportional to 2,107,592.34, 2,908,547.85 and 1,291,638.39

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Solution

The fourth proportional to 2,107,592.34, 2,908,547.85 and 1,291,638.39 is: 1,782,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,592.34 : 2,908,547.85 = 1,291,638.39 : x
  2. Step 2: Convert to fraction form
    2,107,592.34/2,908,547.85 = 1,291,638.39/x
  3. Step 3: Cross multiply
    2,107,592.34x = 2,908,547.85 × 1,291,638.39
  4. Step 4: Simplify right side
    2,107,592.34x = 3,756,792,062,211.96
  5. Step 5: Solve for x
    x = 3,756,792,062,211.96/2,107,592.34
  6. Step 6: Final answer
    x = 1,782,504.14

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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.