Finding the Fourth Proportional to 6,415,580.88, 8,853,501.36 and 3,515,081.76
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Solution
The fourth proportional to 6,415,580.88, 8,853,501.36 and 3,515,081.76 is: 4,850,812.69
Step by Step Solution
- Step 1: Write the proportion equation
6,415,580.88 : 8,853,501.36 = 3,515,081.76 : x - Step 2: Convert to fraction form
6,415,580.88/8,853,501.36 = 3,515,081.76/x - Step 3: Cross multiply
6,415,580.88x = 8,853,501.36 × 3,515,081.76 - Step 4: Simplify right side
6,415,580.88x = 31,120,781,142,671.19 - Step 5: Solve for x
x = 31,120,781,142,671.19/6,415,580.88 - Step 6: Final answer
x = 4,850,812.69
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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.