Home / 2,128,342.56-2,937,177.54-1,210,704.66

Finding the Fourth Proportional to 2,128,342.56, 2,937,177.54 and 1,210,704.66

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Solution

The fourth proportional to 2,128,342.56, 2,937,177.54 and 1,210,704.66 is: 1,670,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,342.56 : 2,937,177.54 = 1,210,704.66 : x
  2. Step 2: Convert to fraction form
    2,128,342.56/2,937,177.54 = 1,210,704.66/x
  3. Step 3: Cross multiply
    2,128,342.56x = 2,937,177.54 × 1,210,704.66
  4. Step 4: Simplify right side
    2,128,342.56x = 3,556,054,534,925.34
  5. Step 5: Solve for x
    x = 3,556,054,534,925.34/2,128,342.56
  6. Step 6: Final answer
    x = 1,670,809.30

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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.