Finding the Fourth Proportional to 7,709,290.61, 11,559,452.47 and 2,917,349.33
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Solution
The fourth proportional to 7,709,290.61, 11,559,452.47 and 2,917,349.33 is: 4,374,327.36
Step by Step Solution
- Step 1: Write the proportion equation
7,709,290.61 : 11,559,452.47 = 2,917,349.33 : x - Step 2: Convert to fraction form
7,709,290.61/11,559,452.47 = 2,917,349.33/x - Step 3: Cross multiply
7,709,290.61x = 11,559,452.47 × 2,917,349.33 - Step 4: Simplify right side
7,709,290.61x = 33,722,960,853,430.71 - Step 5: Solve for x
x = 33,722,960,853,430.71/7,709,290.61 - Step 6: Final answer
x = 4,374,327.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.