Finding the Fourth Proportional to 5,125,779.48, 7,073,488.98 and 3,658,389.96
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Solution
The fourth proportional to 5,125,779.48, 7,073,488.98 and 3,658,389.96 is: 5,048,516.26
Step by Step Solution
- Step 1: Write the proportion equation
5,125,779.48 : 7,073,488.98 = 3,658,389.96 : x - Step 2: Convert to fraction form
5,125,779.48/7,073,488.98 = 3,658,389.96/x - Step 3: Cross multiply
5,125,779.48x = 7,073,488.98 × 3,658,389.96 - Step 4: Simplify right side
5,125,779.48x = 25,877,581,066,602.64 - Step 5: Solve for x
x = 25,877,581,066,602.64/5,125,779.48 - Step 6: Final answer
x = 5,048,516.26
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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.