Home / 1,840,622.20-2,746,148.69-1,638,543.40

Finding the Fourth Proportional to 1,840,622.20, 2,746,148.69 and 1,638,543.40

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Solution

The fourth proportional to 1,840,622.20, 2,746,148.69 and 1,638,543.40 is: 2,444,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,622.20 : 2,746,148.69 = 1,638,543.40 : x
  2. Step 2: Convert to fraction form
    1,840,622.20/2,746,148.69 = 1,638,543.40/x
  3. Step 3: Cross multiply
    1,840,622.20x = 2,746,148.69 × 1,638,543.40
  4. Step 4: Simplify right side
    1,840,622.20x = 4,499,683,811,418.15
  5. Step 5: Solve for x
    x = 4,499,683,811,418.15/1,840,622.20
  6. Step 6: Final answer
    x = 2,444,653.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.