Home / 5,139,407.60-7,709,111.40-1,593,090.80

Finding the Fourth Proportional to 5,139,407.60, 7,709,111.40 and 1,593,090.80

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Solution

The fourth proportional to 5,139,407.60, 7,709,111.40 and 1,593,090.80 is: 2,389,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,407.60 : 7,709,111.40 = 1,593,090.80 : x
  2. Step 2: Convert to fraction form
    5,139,407.60/7,709,111.40 = 1,593,090.80/x
  3. Step 3: Cross multiply
    5,139,407.60x = 7,709,111.40 × 1,593,090.80
  4. Step 4: Simplify right side
    5,139,407.60x = 12,281,314,447,515.12
  5. Step 5: Solve for x
    x = 12,281,314,447,515.12/5,139,407.60
  6. Step 6: Final answer
    x = 2,389,636.20

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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.