Finding the Fourth Proportional to 6,450,210.40, 8,901,175.18 and 3,509,927.20
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Solution
The fourth proportional to 6,450,210.40, 8,901,175.18 and 3,509,927.20 is: 4,843,636.86
Step by Step Solution
- Step 1: Write the proportion equation
6,450,210.40 : 8,901,175.18 = 3,509,927.20 : x - Step 2: Convert to fraction form
6,450,210.40/8,901,175.18 = 3,509,927.20/x - Step 3: Cross multiply
6,450,210.40x = 8,901,175.18 × 3,509,927.20 - Step 4: Simplify right side
6,450,210.40x = 31,242,476,876,246.90 - Step 5: Solve for x
x = 31,242,476,876,246.90/6,450,210.40 - Step 6: Final answer
x = 4,843,636.86
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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.