Finding the Fourth Proportional to 7,590,484.65, 10,474,986.93 and 4,152,783.09
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Solution
The fourth proportional to 7,590,484.65, 10,474,986.93 and 4,152,783.09 is: 5,730,905.28
Step by Step Solution
- Step 1: Write the proportion equation
7,590,484.65 : 10,474,986.93 = 4,152,783.09 : x - Step 2: Convert to fraction form
7,590,484.65/10,474,986.93 = 4,152,783.09/x - Step 3: Cross multiply
7,590,484.65x = 10,474,986.93 × 4,152,783.09 - Step 4: Simplify right side
7,590,484.65x = 43,500,348,590,875.01 - Step 5: Solve for x
x = 43,500,348,590,875.01/7,590,484.65 - Step 6: Final answer
x = 5,730,905.28
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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.