Home / 3,071,641.45-4,239,708.28-1,782,897.02

Finding the Fourth Proportional to 3,071,641.45, 4,239,708.28 and 1,782,897.02

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Solution

The fourth proportional to 3,071,641.45, 4,239,708.28 and 1,782,897.02 is: 2,460,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,641.45 : 4,239,708.28 = 1,782,897.02 : x
  2. Step 2: Convert to fraction form
    3,071,641.45/4,239,708.28 = 1,782,897.02/x
  3. Step 3: Cross multiply
    3,071,641.45x = 4,239,708.28 × 1,782,897.02
  4. Step 4: Simplify right side
    3,071,641.45x = 7,558,963,272,172.81
  5. Step 5: Solve for x
    x = 7,558,963,272,172.81/3,071,641.45
  6. Step 6: Final answer
    x = 2,460,887.25

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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.