Home / 4,822,985.30-6,658,837.47-2,989,393.56

Finding the Fourth Proportional to 4,822,985.30, 6,658,837.47 and 2,989,393.56

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Solution

The fourth proportional to 4,822,985.30, 6,658,837.47 and 2,989,393.56 is: 4,127,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822,985.30 : 6,658,837.47 = 2,989,393.56 : x
  2. Step 2: Convert to fraction form
    4,822,985.30/6,658,837.47 = 2,989,393.56/x
  3. Step 3: Cross multiply
    4,822,985.30x = 6,658,837.47 × 2,989,393.56
  4. Step 4: Simplify right side
    4,822,985.30x = 19,905,885,849,904.69
  5. Step 5: Solve for x
    x = 19,905,885,849,904.69/4,822,985.30
  6. Step 6: Final answer
    x = 4,127,295.57

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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.