Home / 2,141,937.32-2,955,366.50-1,211,666.45

Finding the Fourth Proportional to 2,141,937.32, 2,955,366.50 and 1,211,666.45

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Solution

The fourth proportional to 2,141,937.32, 2,955,366.50 and 1,211,666.45 is: 1,671,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,937.32 : 2,955,366.50 = 1,211,666.45 : x
  2. Step 2: Convert to fraction form
    2,141,937.32/2,955,366.50 = 1,211,666.45/x
  3. Step 3: Cross multiply
    2,141,937.32x = 2,955,366.50 × 1,211,666.45
  4. Step 4: Simplify right side
    2,141,937.32x = 3,580,918,414,668.76
  5. Step 5: Solve for x
    x = 3,580,918,414,668.76/2,141,937.32
  6. Step 6: Final answer
    x = 1,671,812.89

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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.