Home / 1,543,536.95-2,130,821.44-1,085,044.55

Finding the Fourth Proportional to 1,543,536.95, 2,130,821.44 and 1,085,044.55

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Solution

The fourth proportional to 1,543,536.95, 2,130,821.44 and 1,085,044.55 is: 1,497,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,536.95 : 2,130,821.44 = 1,085,044.55 : x
  2. Step 2: Convert to fraction form
    1,543,536.95/2,130,821.44 = 1,085,044.55/x
  3. Step 3: Cross multiply
    1,543,536.95x = 2,130,821.44 × 1,085,044.55
  4. Step 4: Simplify right side
    1,543,536.95x = 2,312,036,186,117.94
  5. Step 5: Solve for x
    x = 2,312,036,186,117.94/1,543,536.95
  6. Step 6: Final answer
    x = 1,497,881.98

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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.