Home / 5,106,208.60-7,046,952.78-2,931,455.80

Finding the Fourth Proportional to 5,106,208.60, 7,046,952.78 and 2,931,455.80

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Solution

The fourth proportional to 5,106,208.60, 7,046,952.78 and 2,931,455.80 is: 4,045,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,208.60 : 7,046,952.78 = 2,931,455.80 : x
  2. Step 2: Convert to fraction form
    5,106,208.60/7,046,952.78 = 2,931,455.80/x
  3. Step 3: Cross multiply
    5,106,208.60x = 7,046,952.78 × 2,931,455.80
  4. Step 4: Simplify right side
    5,106,208.60x = 20,657,830,599,257.12
  5. Step 5: Solve for x
    x = 20,657,830,599,257.12/5,106,208.60
  6. Step 6: Final answer
    x = 4,045,629.98

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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.