Finding the Fourth Proportional to 6,646,835.10, 9,970,252.65 and 2,159,564.70
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Solution
The fourth proportional to 6,646,835.10, 9,970,252.65 and 2,159,564.70 is: 3,239,347.05
Step by Step Solution
- Step 1: Write the proportion equation
6,646,835.10 : 9,970,252.65 = 2,159,564.70 : x - Step 2: Convert to fraction form
6,646,835.10/9,970,252.65 = 2,159,564.70/x - Step 3: Cross multiply
6,646,835.10x = 9,970,252.65 × 2,159,564.70 - Step 4: Simplify right side
6,646,835.10x = 21,531,405,673,021.46 - Step 5: Solve for x
x = 21,531,405,673,021.46/6,646,835.10 - Step 6: Final answer
x = 3,239,347.05
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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.