Home / 2,963,876.71-4,090,133.80-1,657,128.50

Finding the Fourth Proportional to 2,963,876.71, 4,090,133.80 and 1,657,128.50

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Solution

The fourth proportional to 2,963,876.71, 4,090,133.80 and 1,657,128.50 is: 2,286,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963,876.71 : 4,090,133.80 = 1,657,128.50 : x
  2. Step 2: Convert to fraction form
    2,963,876.71/4,090,133.80 = 1,657,128.50/x
  3. Step 3: Cross multiply
    2,963,876.71x = 4,090,133.80 × 1,657,128.50
  4. Step 4: Simplify right side
    2,963,876.71x = 6,777,877,260,056.99
  5. Step 5: Solve for x
    x = 6,777,877,260,056.99/2,963,876.71
  6. Step 6: Final answer
    x = 2,286,828.34

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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.