Finding the Fourth Proportional to 6,129,567.20, 8,458,802.70 and 3,552,742.64
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Solution
The fourth proportional to 6,129,567.20, 8,458,802.70 and 3,552,742.64 is: 4,902,784.82
Step by Step Solution
- Step 1: Write the proportion equation
6,129,567.20 : 8,458,802.70 = 3,552,742.64 : x - Step 2: Convert to fraction form
6,129,567.20/8,458,802.70 = 3,552,742.64/x - Step 3: Cross multiply
6,129,567.20x = 8,458,802.70 × 3,552,742.64 - Step 4: Simplify right side
6,129,567.20x = 30,051,949,035,637.12 - Step 5: Solve for x
x = 30,051,949,035,637.12/6,129,567.20 - Step 6: Final answer
x = 4,902,784.82
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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.