Finding the Fourth Proportional to 4,505,655.49, 6,217,676.40 and 2,645,041.12
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Solution
The fourth proportional to 4,505,655.49, 6,217,676.40 and 2,645,041.12 is: 3,650,081.50
Step by Step Solution
- Step 1: Write the proportion equation
4,505,655.49 : 6,217,676.40 = 2,645,041.12 : x - Step 2: Convert to fraction form
4,505,655.49/6,217,676.40 = 2,645,041.12/x - Step 3: Cross multiply
4,505,655.49x = 6,217,676.40 × 2,645,041.12 - Step 4: Simplify right side
4,505,655.49x = 16,446,009,735,628.36 - Step 5: Solve for x
x = 16,446,009,735,628.36/4,505,655.49 - Step 6: Final answer
x = 3,650,081.50
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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.