Finding the Fourth Proportional to 7,656,557.77, 10,565,965.05 and 4,348,829.62
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Solution
The fourth proportional to 7,656,557.77, 10,565,965.05 and 4,348,829.62 is: 6,001,336.78
Step by Step Solution
- Step 1: Write the proportion equation
7,656,557.77 : 10,565,965.05 = 4,348,829.62 : x - Step 2: Convert to fraction form
7,656,557.77/10,565,965.05 = 4,348,829.62/x - Step 3: Cross multiply
7,656,557.77x = 10,565,965.05 × 4,348,829.62 - Step 4: Simplify right side
7,656,557.77x = 45,949,581,773,324.79 - Step 5: Solve for x
x = 45,949,581,773,324.79/7,656,557.77 - Step 6: Final answer
x = 6,001,336.78
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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.