Home / 2,671,198.65-3,686,688.95-1,987,411.23

Finding the Fourth Proportional to 2,671,198.65, 3,686,688.95 and 1,987,411.23

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Solution

The fourth proportional to 2,671,198.65, 3,686,688.95 and 1,987,411.23 is: 2,742,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,198.65 : 3,686,688.95 = 1,987,411.23 : x
  2. Step 2: Convert to fraction form
    2,671,198.65/3,686,688.95 = 1,987,411.23/x
  3. Step 3: Cross multiply
    2,671,198.65x = 3,686,688.95 × 1,987,411.23
  4. Step 4: Simplify right side
    2,671,198.65x = 7,326,967,010,809.85
  5. Step 5: Solve for x
    x = 7,326,967,010,809.85/2,671,198.65
  6. Step 6: Final answer
    x = 2,742,951.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.