Finding the Fourth Proportional to 6,168,807.70, 8,513,220.60 and 3,415,495.06
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Solution
The fourth proportional to 6,168,807.70, 8,513,220.60 and 3,415,495.06 is: 4,713,530.45
Step by Step Solution
- Step 1: Write the proportion equation
6,168,807.70 : 8,513,220.60 = 3,415,495.06 : x - Step 2: Convert to fraction form
6,168,807.70/8,513,220.60 = 3,415,495.06/x - Step 3: Cross multiply
6,168,807.70x = 8,513,220.60 × 3,415,495.06 - Step 4: Simplify right side
6,168,807.70x = 29,076,862,903,990.23 - Step 5: Solve for x
x = 29,076,862,903,990.23/6,168,807.70 - Step 6: Final answer
x = 4,713,530.45
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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.