Home / 1,861,681.52-2,569,230.50-1,401,985.06

Finding the Fourth Proportional to 1,861,681.52, 2,569,230.50 and 1,401,985.06

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Solution

The fourth proportional to 1,861,681.52, 2,569,230.50 and 1,401,985.06 is: 1,934,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,681.52 : 2,569,230.50 = 1,401,985.06 : x
  2. Step 2: Convert to fraction form
    1,861,681.52/2,569,230.50 = 1,401,985.06/x
  3. Step 3: Cross multiply
    1,861,681.52x = 2,569,230.50 × 1,401,985.06
  4. Step 4: Simplify right side
    1,861,681.52x = 3,602,022,763,263.33
  5. Step 5: Solve for x
    x = 3,602,022,763,263.33/1,861,681.52
  6. Step 6: Final answer
    x = 1,934,822.21

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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.