Home / 2,130,574.73-3,196,609.47-1,105,412.13

Finding the Fourth Proportional to 2,130,574.73, 3,196,609.47 and 1,105,412.13

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Solution

The fourth proportional to 2,130,574.73, 3,196,609.47 and 1,105,412.13 is: 1,658,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,574.73 : 3,196,609.47 = 1,105,412.13 : x
  2. Step 2: Convert to fraction form
    2,130,574.73/3,196,609.47 = 1,105,412.13/x
  3. Step 3: Cross multiply
    2,130,574.73x = 3,196,609.47 × 1,105,412.13
  4. Step 4: Simplify right side
    2,130,574.73x = 3,533,570,883,010.87
  5. Step 5: Solve for x
    x = 3,533,570,883,010.87/2,130,574.73
  6. Step 6: Final answer
    x = 1,658,505.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.