Finding the Fourth Proportional to 5,294,699.98, 7,304,259.18 and 3,118,201.24
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Solution
The fourth proportional to 5,294,699.98, 7,304,259.18 and 3,118,201.24 is: 4,301,688.50
Step by Step Solution
- Step 1: Write the proportion equation
5,294,699.98 : 7,304,259.18 = 3,118,201.24 : x - Step 2: Convert to fraction form
5,294,699.98/7,304,259.18 = 3,118,201.24/x - Step 3: Cross multiply
5,294,699.98x = 7,304,259.18 × 3,118,201.24 - Step 4: Simplify right side
5,294,699.98x = 22,776,150,032,357.38 - Step 5: Solve for x
x = 22,776,150,032,357.38/5,294,699.98 - Step 6: Final answer
x = 4,301,688.50
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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.