Home / 2,688,926.10-4,033,389.15-1,340,567.70

Finding the Fourth Proportional to 2,688,926.10, 4,033,389.15 and 1,340,567.70

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Solution

The fourth proportional to 2,688,926.10, 4,033,389.15 and 1,340,567.70 is: 2,010,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,926.10 : 4,033,389.15 = 1,340,567.70 : x
  2. Step 2: Convert to fraction form
    2,688,926.10/4,033,389.15 = 1,340,567.70/x
  3. Step 3: Cross multiply
    2,688,926.10x = 4,033,389.15 × 1,340,567.70
  4. Step 4: Simplify right side
    2,688,926.10x = 5,407,031,216,020.46
  5. Step 5: Solve for x
    x = 5,407,031,216,020.46/2,688,926.10
  6. Step 6: Final answer
    x = 2,010,851.55

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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.