Finding the Fourth Proportional to 8,402,991.84, 11,595,474 and 4,964,580.72
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Solution
The fourth proportional to 8,402,991.84, 11,595,474 and 4,964,580.72 is: 6,850,734.57
Step by Step Solution
- Step 1: Write the proportion equation
8,402,991.84 : 11,595,474 = 4,964,580.72 : x - Step 2: Convert to fraction form
8,402,991.84/11,595,474 = 4,964,580.72/x - Step 3: Cross multiply
8,402,991.84x = 11,595,474 × 4,964,580.72 - Step 4: Simplify right side
8,402,991.84x = 57,566,666,659,661.27 - Step 5: Solve for x
x = 57,566,666,659,661.27/8,402,991.84 - Step 6: Final answer
x = 6,850,734.57
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1.5x scale
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.