Home / 3,368,316.21-4,648,271.76-1,918,011.63

Finding the Fourth Proportional to 3,368,316.21, 4,648,271.76 and 1,918,011.63

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Solution

The fourth proportional to 3,368,316.21, 4,648,271.76 and 1,918,011.63 is: 2,646,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,316.21 : 4,648,271.76 = 1,918,011.63 : x
  2. Step 2: Convert to fraction form
    3,368,316.21/4,648,271.76 = 1,918,011.63/x
  3. Step 3: Cross multiply
    3,368,316.21x = 4,648,271.76 × 1,918,011.63
  4. Step 4: Simplify right side
    3,368,316.21x = 8,915,439,295,080.57
  5. Step 5: Solve for x
    x = 8,915,439,295,080.57/3,368,316.21
  6. Step 6: Final answer
    x = 2,646,853.42

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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.