Home / 1,963,442.10-2,943,435.15-1,330,302.90

Finding the Fourth Proportional to 1,963,442.10, 2,943,435.15 and 1,330,302.90

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Solution

The fourth proportional to 1,963,442.10, 2,943,435.15 and 1,330,302.90 is: 1,994,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,442.10 : 2,943,435.15 = 1,330,302.90 : x
  2. Step 2: Convert to fraction form
    1,963,442.10/2,943,435.15 = 1,330,302.90/x
  3. Step 3: Cross multiply
    1,963,442.10x = 2,943,435.15 × 1,330,302.90
  4. Step 4: Simplify right side
    1,963,442.10x = 3,915,660,316,006.93
  5. Step 5: Solve for x
    x = 3,915,660,316,006.93/1,963,442.10
  6. Step 6: Final answer
    x = 1,994,283.57

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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.