Finding the Fourth Proportional to 5,425,833.36, 7,487,620.47 and 2,978,486.07
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Solution
The fourth proportional to 5,425,833.36, 7,487,620.47 and 2,978,486.07 is: 4,110,294.55
Step by Step Solution
- Step 1: Write the proportion equation
5,425,833.36 : 7,487,620.47 = 2,978,486.07 : x - Step 2: Convert to fraction form
5,425,833.36/7,487,620.47 = 2,978,486.07/x - Step 3: Cross multiply
5,425,833.36x = 7,487,620.47 × 2,978,486.07 - Step 4: Simplify right side
5,425,833.36x = 22,301,773,267,341.85 - Step 5: Solve for x
x = 22,301,773,267,341.85/5,425,833.36 - Step 6: Final answer
x = 4,110,294.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.