Home / 3,116,378.61-4,300,069.68-1,739,651.18

Finding the Fourth Proportional to 3,116,378.61, 4,300,069.68 and 1,739,651.18

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Solution

The fourth proportional to 3,116,378.61, 4,300,069.68 and 1,739,651.18 is: 2,400,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,378.61 : 4,300,069.68 = 1,739,651.18 : x
  2. Step 2: Convert to fraction form
    3,116,378.61/4,300,069.68 = 1,739,651.18/x
  3. Step 3: Cross multiply
    3,116,378.61x = 4,300,069.68 × 1,739,651.18
  4. Step 4: Simplify right side
    3,116,378.61x = 7,480,621,271,393.87
  5. Step 5: Solve for x
    x = 7,480,621,271,393.87/3,116,378.61
  6. Step 6: Final answer
    x = 2,400,421.20

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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.