Home / 1,859,400.90-2,783,779.65-1,144,616.40

Finding the Fourth Proportional to 1,859,400.90, 2,783,779.65 and 1,144,616.40

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Solution

The fourth proportional to 1,859,400.90, 2,783,779.65 and 1,144,616.40 is: 1,713,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,400.90 : 2,783,779.65 = 1,144,616.40 : x
  2. Step 2: Convert to fraction form
    1,859,400.90/2,783,779.65 = 1,144,616.40/x
  3. Step 3: Cross multiply
    1,859,400.90x = 2,783,779.65 × 1,144,616.40
  4. Step 4: Simplify right side
    1,859,400.90x = 3,186,359,841,376.26
  5. Step 5: Solve for x
    x = 3,186,359,841,376.26/1,859,400.90
  6. Step 6: Final answer
    x = 1,713,648.65

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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.