Home / 1,874,674.80-2,587,038.35-1,015,215.39

Finding the Fourth Proportional to 1,874,674.80, 2,587,038.35 and 1,015,215.39

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Solution

The fourth proportional to 1,874,674.80, 2,587,038.35 and 1,015,215.39 is: 1,400,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,674.80 : 2,587,038.35 = 1,015,215.39 : x
  2. Step 2: Convert to fraction form
    1,874,674.80/2,587,038.35 = 1,015,215.39/x
  3. Step 3: Cross multiply
    1,874,674.80x = 2,587,038.35 × 1,015,215.39
  4. Step 4: Simplify right side
    1,874,674.80x = 2,626,401,142,364.13
  5. Step 5: Solve for x
    x = 2,626,401,142,364.13/1,874,674.80
  6. Step 6: Final answer
    x = 1,400,990.26

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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.