Home / 2,166,368.35-2,989,756.64-1,199,588.59

Finding the Fourth Proportional to 2,166,368.35, 2,989,756.64 and 1,199,588.59

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Solution

The fourth proportional to 2,166,368.35, 2,989,756.64 and 1,199,588.59 is: 1,655,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,368.35 : 2,989,756.64 = 1,199,588.59 : x
  2. Step 2: Convert to fraction form
    2,166,368.35/2,989,756.64 = 1,199,588.59/x
  3. Step 3: Cross multiply
    2,166,368.35x = 2,989,756.64 × 1,199,588.59
  4. Step 4: Simplify right side
    2,166,368.35x = 3,586,477,952,220.74
  5. Step 5: Solve for x
    x = 3,586,477,952,220.74/2,166,368.35
  6. Step 6: Final answer
    x = 1,655,525.46

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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.