Finding the Fourth Proportional to 5,352,615.72, 7,386,516.99 and 2,905,174.23
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Solution
The fourth proportional to 5,352,615.72, 7,386,516.99 and 2,905,174.23 is: 4,009,090.12
Step by Step Solution
- Step 1: Write the proportion equation
5,352,615.72 : 7,386,516.99 = 2,905,174.23 : x - Step 2: Convert to fraction form
5,352,615.72/7,386,516.99 = 2,905,174.23/x - Step 3: Cross multiply
5,352,615.72x = 7,386,516.99 × 2,905,174.23 - Step 4: Simplify right side
5,352,615.72x = 21,459,118,808,805.17 - Step 5: Solve for x
x = 21,459,118,808,805.17/5,352,615.72 - Step 6: Final answer
x = 4,009,090.12
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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.