Finding the Fourth Proportional to 5,156,565.12, 7,696,996.56 and 4,776,552
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Solution
The fourth proportional to 5,156,565.12, 7,696,996.56 and 4,776,552 is: 7,129,766.32
Step by Step Solution
- Step 1: Write the proportion equation
5,156,565.12 : 7,696,996.56 = 4,776,552 : x - Step 2: Convert to fraction form
5,156,565.12/7,696,996.56 = 4,776,552/x - Step 3: Cross multiply
5,156,565.12x = 7,696,996.56 × 4,776,552 - Step 4: Simplify right side
5,156,565.12x = 36,765,104,312,661.12 - Step 5: Solve for x
x = 36,765,104,312,661.12/5,156,565.12 - Step 6: Final answer
x = 7,129,766.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.