Finding the Fourth Proportional to 5,508,702.84, 7,601,406.28 and 3,185,243.74
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Solution
The fourth proportional to 5,508,702.84, 7,601,406.28 and 3,185,243.74 is: 4,395,287.32
Step by Step Solution
- Step 1: Write the proportion equation
5,508,702.84 : 7,601,406.28 = 3,185,243.74 : x - Step 2: Convert to fraction form
5,508,702.84/7,601,406.28 = 3,185,243.74/x - Step 3: Cross multiply
5,508,702.84x = 7,601,406.28 × 3,185,243.74 - Step 4: Simplify right side
5,508,702.84x = 24,212,331,780,973.71 - Step 5: Solve for x
x = 24,212,331,780,973.71/5,508,702.84 - Step 6: Final answer
x = 4,395,287.32
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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.