Home / 2,139,038.12-3,186,271.24-2,025,441.68

Finding the Fourth Proportional to 2,139,038.12, 3,186,271.24 and 2,025,441.68

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Solution

The fourth proportional to 2,139,038.12, 3,186,271.24 and 2,025,441.68 is: 3,017,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,038.12 : 3,186,271.24 = 2,025,441.68 : x
  2. Step 2: Convert to fraction form
    2,139,038.12/3,186,271.24 = 2,025,441.68/x
  3. Step 3: Cross multiply
    2,139,038.12x = 3,186,271.24 × 2,025,441.68
  4. Step 4: Simplify right side
    2,139,038.12x = 6,453,606,573,281.28
  5. Step 5: Solve for x
    x = 6,453,606,573,281.28/2,139,038.12
  6. Step 6: Final answer
    x = 3,017,060.10

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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.