Finding the Fourth Proportional to 6,445,135.37, 8,894,109.20 and 3,544,526.18
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Solution
The fourth proportional to 6,445,135.37, 8,894,109.20 and 3,544,526.18 is: 4,891,348.44
Step by Step Solution
- Step 1: Write the proportion equation
6,445,135.37 : 8,894,109.20 = 3,544,526.18 : x - Step 2: Convert to fraction form
6,445,135.37/8,894,109.20 = 3,544,526.18/x - Step 3: Cross multiply
6,445,135.37x = 8,894,109.20 × 3,544,526.18 - Step 4: Simplify right side
6,445,135.37x = 31,525,402,844,985.68 - Step 5: Solve for x
x = 31,525,402,844,985.68/6,445,135.37 - Step 6: Final answer
x = 4,891,348.44
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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.