Finding the Fourth Proportional to 6,464,080.71, 8,920,458.41 and 3,563,408.07
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Solution
The fourth proportional to 6,464,080.71, 8,920,458.41 and 3,563,408.07 is: 4,917,518.03
Step by Step Solution
- Step 1: Write the proportion equation
6,464,080.71 : 8,920,458.41 = 3,563,408.07 : x - Step 2: Convert to fraction form
6,464,080.71/8,920,458.41 = 3,563,408.07/x - Step 3: Cross multiply
6,464,080.71x = 8,920,458.41 × 3,563,408.07 - Step 4: Simplify right side
6,464,080.71x = 31,787,233,468,476.32 - Step 5: Solve for x
x = 31,787,233,468,476.32/6,464,080.71 - Step 6: Final answer
x = 4,917,518.03
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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.