Home / 1,891,143.64-2,609,671.93-1,075,545.73

Finding the Fourth Proportional to 1,891,143.64, 2,609,671.93 and 1,075,545.73

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Solution

The fourth proportional to 1,891,143.64, 2,609,671.93 and 1,075,545.73 is: 1,484,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,143.64 : 2,609,671.93 = 1,075,545.73 : x
  2. Step 2: Convert to fraction form
    1,891,143.64/2,609,671.93 = 1,075,545.73/x
  3. Step 3: Cross multiply
    1,891,143.64x = 2,609,671.93 × 1,075,545.73
  4. Step 4: Simplify right side
    1,891,143.64x = 2,806,821,501,012.36
  5. Step 5: Solve for x
    x = 2,806,821,501,012.36/1,891,143.64
  6. Step 6: Final answer
    x = 1,484,192.66

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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.