Home / 1,958,141.86-2,936,547.54-678,450.63

Finding the Fourth Proportional to 1,958,141.86, 2,936,547.54 and 678,450.63

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Solution

The fourth proportional to 1,958,141.86, 2,936,547.54 and 678,450.63 is: 1,017,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,141.86 : 2,936,547.54 = 678,450.63 : x
  2. Step 2: Convert to fraction form
    1,958,141.86/2,936,547.54 = 678,450.63/x
  3. Step 3: Cross multiply
    1,958,141.86x = 2,936,547.54 × 678,450.63
  4. Step 4: Simplify right side
    1,958,141.86x = 1,992,302,528,537.95
  5. Step 5: Solve for x
    x = 1,992,302,528,537.95/1,958,141.86
  6. Step 6: Final answer
    x = 1,017,445.45

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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.