Home / 2,154,877.81-2,973,641.75-1,174,795.63

Finding the Fourth Proportional to 2,154,877.81, 2,973,641.75 and 1,174,795.63

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Solution

The fourth proportional to 2,154,877.81, 2,973,641.75 and 1,174,795.63 is: 1,621,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,877.81 : 2,973,641.75 = 1,174,795.63 : x
  2. Step 2: Convert to fraction form
    2,154,877.81/2,973,641.75 = 1,174,795.63/x
  3. Step 3: Cross multiply
    2,154,877.81x = 2,973,641.75 × 1,174,795.63
  4. Step 4: Simplify right side
    2,154,877.81x = 3,493,421,319,777.47
  5. Step 5: Solve for x
    x = 3,493,421,319,777.47/2,154,877.81
  6. Step 6: Final answer
    x = 1,621,169.10

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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.