Finding the Fourth Proportional to 6,666,612.66, 10,000,509.68 and 1,874,343.63
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Solution
The fourth proportional to 6,666,612.66, 10,000,509.68 and 1,874,343.63 is: 2,811,681.52
Step by Step Solution
- Step 1: Write the proportion equation
6,666,612.66 : 10,000,509.68 = 1,874,343.63 : x - Step 2: Convert to fraction form
6,666,612.66/10,000,509.68 = 1,874,343.63/x - Step 3: Cross multiply
6,666,612.66x = 10,000,509.68 × 1,874,343.63 - Step 4: Simplify right side
6,666,612.66x = 18,744,391,615,461.34 - Step 5: Solve for x
x = 18,744,391,615,461.34/6,666,612.66 - Step 6: Final answer
x = 2,811,681.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.