Home / 1,671,856.50-2,307,868.30-1,128,728.02

Finding the Fourth Proportional to 1,671,856.50, 2,307,868.30 and 1,128,728.02

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Solution

The fourth proportional to 1,671,856.50, 2,307,868.30 and 1,128,728.02 is: 1,558,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,856.50 : 2,307,868.30 = 1,128,728.02 : x
  2. Step 2: Convert to fraction form
    1,671,856.50/2,307,868.30 = 1,128,728.02/x
  3. Step 3: Cross multiply
    1,671,856.50x = 2,307,868.30 × 1,128,728.02
  4. Step 4: Simplify right side
    1,671,856.50x = 2,604,955,616,679.77
  5. Step 5: Solve for x
    x = 2,604,955,616,679.77/1,671,856.50
  6. Step 6: Final answer
    x = 1,558,121.54

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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.