Home / 2,106,743.64-2,907,285.53-1,139,852.72

Finding the Fourth Proportional to 2,106,743.64, 2,907,285.53 and 1,139,852.72

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Solution

The fourth proportional to 2,106,743.64, 2,907,285.53 and 1,139,852.72 is: 1,572,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,743.64 : 2,907,285.53 = 1,139,852.72 : x
  2. Step 2: Convert to fraction form
    2,106,743.64/2,907,285.53 = 1,139,852.72/x
  3. Step 3: Cross multiply
    2,106,743.64x = 2,907,285.53 × 1,139,852.72
  4. Step 4: Simplify right side
    2,106,743.64x = 3,313,877,298,951.45
  5. Step 5: Solve for x
    x = 3,313,877,298,951.45/2,106,743.64
  6. Step 6: Final answer
    x = 1,572,985.55

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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.