Home / 2,688,117.10-4,032,175.65-2,669,454.70

Finding the Fourth Proportional to 2,688,117.10, 4,032,175.65 and 2,669,454.70

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Solution

The fourth proportional to 2,688,117.10, 4,032,175.65 and 2,669,454.70 is: 4,004,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,117.10 : 4,032,175.65 = 2,669,454.70 : x
  2. Step 2: Convert to fraction form
    2,688,117.10/4,032,175.65 = 2,669,454.70/x
  3. Step 3: Cross multiply
    2,688,117.10x = 4,032,175.65 × 2,669,454.70
  4. Step 4: Simplify right side
    2,688,117.10x = 10,763,710,240,118.05
  5. Step 5: Solve for x
    x = 10,763,710,240,118.05/2,688,117.10
  6. Step 6: Final answer
    x = 4,004,182.05

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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.