Home / 4,307,657.80-6,461,429.10-1,315,856.20

Finding the Fourth Proportional to 4,307,657.80, 6,461,429.10 and 1,315,856.20

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Solution

The fourth proportional to 4,307,657.80, 6,461,429.10 and 1,315,856.20 is: 1,973,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307,657.80 : 6,461,429.10 = 1,315,856.20 : x
  2. Step 2: Convert to fraction form
    4,307,657.80/6,461,429.10 = 1,315,856.20/x
  3. Step 3: Cross multiply
    4,307,657.80x = 6,461,429.10 × 1,315,856.20
  4. Step 4: Simplify right side
    4,307,657.80x = 8,502,311,542,095.42
  5. Step 5: Solve for x
    x = 8,502,311,542,095.42/4,307,657.80
  6. Step 6: Final answer
    x = 1,973,766.70

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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.