Finding the Fourth Proportional to 4,539,676.81, 6,796,021.95 and 4,533,698.08
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Solution
The fourth proportional to 4,539,676.81, 6,796,021.95 and 4,533,698.08 is: 6,787,071.63
Step by Step Solution
- Step 1: Write the proportion equation
4,539,676.81 : 6,796,021.95 = 4,533,698.08 : x - Step 2: Convert to fraction form
4,539,676.81/6,796,021.95 = 4,533,698.08/x - Step 3: Cross multiply
4,539,676.81x = 6,796,021.95 × 4,533,698.08 - Step 4: Simplify right side
4,539,676.81x = 30,811,111,666,352.86 - Step 5: Solve for x
x = 30,811,111,666,352.86/4,539,676.81 - Step 6: Final answer
x = 6,787,071.63
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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.