Finding the Fourth Proportional to 5,127,636.18, 7,077,084.55 and 3,294,386.17
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Solution
The fourth proportional to 5,127,636.18, 7,077,084.55 and 3,294,386.17 is: 4,546,861.09
Step by Step Solution
- Step 1: Write the proportion equation
5,127,636.18 : 7,077,084.55 = 3,294,386.17 : x - Step 2: Convert to fraction form
5,127,636.18/7,077,084.55 = 3,294,386.17/x - Step 3: Cross multiply
5,127,636.18x = 7,077,084.55 × 3,294,386.17 - Step 4: Simplify right side
5,127,636.18x = 23,314,649,439,512.00 - Step 5: Solve for x
x = 23,314,649,439,512.00/5,127,636.18 - Step 6: Final answer
x = 4,546,861.09
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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.