Home / 2,166,031.04-2,989,123.53-1,186,032.17

Finding the Fourth Proportional to 2,166,031.04, 2,989,123.53 and 1,186,032.17

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Solution

The fourth proportional to 2,166,031.04, 2,989,123.53 and 1,186,032.17 is: 1,636,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,031.04 : 2,989,123.53 = 1,186,032.17 : x
  2. Step 2: Convert to fraction form
    2,166,031.04/2,989,123.53 = 1,186,032.17/x
  3. Step 3: Cross multiply
    2,166,031.04x = 2,989,123.53 × 1,186,032.17
  4. Step 4: Simplify right side
    2,166,031.04x = 3,545,196,651,738.34
  5. Step 5: Solve for x
    x = 3,545,196,651,738.34/2,166,031.04
  6. Step 6: Final answer
    x = 1,636,724.77

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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.