Home / 3,173,421.60-4,754,300.40-1,486,807.20

Finding the Fourth Proportional to 3,173,421.60, 4,754,300.40 and 1,486,807.20

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Solution

The fourth proportional to 3,173,421.60, 4,754,300.40 and 1,486,807.20 is: 2,227,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,421.60 : 4,754,300.40 = 1,486,807.20 : x
  2. Step 2: Convert to fraction form
    3,173,421.60/4,754,300.40 = 1,486,807.20/x
  3. Step 3: Cross multiply
    3,173,421.60x = 4,754,300.40 × 1,486,807.20
  4. Step 4: Simplify right side
    3,173,421.60x = 7,068,728,065,682.88
  5. Step 5: Solve for x
    x = 7,068,728,065,682.88/3,173,421.60
  6. Step 6: Final answer
    x = 2,227,478.40

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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.