Home / 5,136,931.89-7,088,879.10-2,845,043.37

Finding the Fourth Proportional to 5,136,931.89, 7,088,879.10 and 2,845,043.37

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Solution

The fourth proportional to 5,136,931.89, 7,088,879.10 and 2,845,043.37 is: 3,926,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,931.89 : 7,088,879.10 = 2,845,043.37 : x
  2. Step 2: Convert to fraction form
    5,136,931.89/7,088,879.10 = 2,845,043.37/x
  3. Step 3: Cross multiply
    5,136,931.89x = 7,088,879.10 × 2,845,043.37
  4. Step 4: Simplify right side
    5,136,931.89x = 20,168,168,484,186.57
  5. Step 5: Solve for x
    x = 20,168,168,484,186.57/5,136,931.89
  6. Step 6: Final answer
    x = 3,926,111.72

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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.