Home / 5,262,809.76-7,262,272.08-2,971,196.64

Finding the Fourth Proportional to 5,262,809.76, 7,262,272.08 and 2,971,196.64

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Solution

The fourth proportional to 5,262,809.76, 7,262,272.08 and 2,971,196.64 is: 4,100,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262,809.76 : 7,262,272.08 = 2,971,196.64 : x
  2. Step 2: Convert to fraction form
    5,262,809.76/7,262,272.08 = 2,971,196.64/x
  3. Step 3: Cross multiply
    5,262,809.76x = 7,262,272.08 × 2,971,196.64
  4. Step 4: Simplify right side
    5,262,809.76x = 21,577,638,402,861.81
  5. Step 5: Solve for x
    x = 21,577,638,402,861.81/5,262,809.76
  6. Step 6: Final answer
    x = 4,100,022.49

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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.