Finding the Fourth Proportional to 6,129,565.02, 8,458,799.67 and 3,552,740.46
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Solution
The fourth proportional to 6,129,565.02, 8,458,799.67 and 3,552,740.46 is: 4,902,781.80
Step by Step Solution
- Step 1: Write the proportion equation
6,129,565.02 : 8,458,799.67 = 3,552,740.46 : x - Step 2: Convert to fraction form
6,129,565.02/8,458,799.67 = 3,552,740.46/x - Step 3: Cross multiply
6,129,565.02x = 8,458,799.67 × 3,552,740.46 - Step 4: Simplify right side
6,129,565.02x = 30,051,919,830,643.65 - Step 5: Solve for x
x = 30,051,919,830,643.65/6,129,565.02 - Step 6: Final answer
x = 4,902,781.80
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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.