Home / 4,747,886.52-7,121,838.69-1,153,656.51

Finding the Fourth Proportional to 4,747,886.52, 7,121,838.69 and 1,153,656.51

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Solution

The fourth proportional to 4,747,886.52, 7,121,838.69 and 1,153,656.51 is: 1,730,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,886.52 : 7,121,838.69 = 1,153,656.51 : x
  2. Step 2: Convert to fraction form
    4,747,886.52/7,121,838.69 = 1,153,656.51/x
  3. Step 3: Cross multiply
    4,747,886.52x = 7,121,838.69 × 1,153,656.51
  4. Step 4: Simplify right side
    4,747,886.52x = 8,216,155,567,888.37
  5. Step 5: Solve for x
    x = 8,216,155,567,888.37/4,747,886.52
  6. Step 6: Final answer
    x = 1,730,486.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.