Home / 2,013,237.32-2,778,812.34-1,187,031.56

Finding the Fourth Proportional to 2,013,237.32, 2,778,812.34 and 1,187,031.56

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Solution

The fourth proportional to 2,013,237.32, 2,778,812.34 and 1,187,031.56 is: 1,638,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,237.32 : 2,778,812.34 = 1,187,031.56 : x
  2. Step 2: Convert to fraction form
    2,013,237.32/2,778,812.34 = 1,187,031.56/x
  3. Step 3: Cross multiply
    2,013,237.32x = 2,778,812.34 × 1,187,031.56
  4. Step 4: Simplify right side
    2,013,237.32x = 3,298,537,946,897.45
  5. Step 5: Solve for x
    x = 3,298,537,946,897.45/2,013,237.32
  6. Step 6: Final answer
    x = 1,638,424.80

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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.