Finding the Fourth Proportional to 6,168,641.51, 8,512,447.46 and 3,415,135.61
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Solution
The fourth proportional to 6,168,641.51, 8,512,447.46 and 3,415,135.61 is: 4,712,733.32
Step by Step Solution
- Step 1: Write the proportion equation
6,168,641.51 : 8,512,447.46 = 3,415,135.61 : x - Step 2: Convert to fraction form
6,168,641.51/8,512,447.46 = 3,415,135.61/x - Step 3: Cross multiply
6,168,641.51x = 8,512,447.46 × 3,415,135.61 - Step 4: Simplify right side
6,168,641.51x = 29,071,162,389,262.14 - Step 5: Solve for x
x = 29,071,162,389,262.14/6,168,641.51 - Step 6: Final answer
x = 4,712,733.32
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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.