Home / 1,838,320-2,536,881.60-1,033,509.76

Finding the Fourth Proportional to 1,838,320, 2,536,881.60 and 1,033,509.76

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Solution

The fourth proportional to 1,838,320, 2,536,881.60 and 1,033,509.76 is: 1,426,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,320 : 2,536,881.60 = 1,033,509.76 : x
  2. Step 2: Convert to fraction form
    1,838,320/2,536,881.60 = 1,033,509.76/x
  3. Step 3: Cross multiply
    1,838,320x = 2,536,881.60 × 1,033,509.76
  4. Step 4: Simplify right side
    1,838,320x = 2,621,891,893,564.42
  5. Step 5: Solve for x
    x = 2,621,891,893,564.42/1,838,320
  6. Step 6: Final answer
    x = 1,426,243.47

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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.