Finding the Fourth Proportional to 5,243,053.64, 7,235,638.50 and 2,919,946.14
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Solution
The fourth proportional to 5,243,053.64, 7,235,638.50 and 2,919,946.14 is: 4,029,650.69
Step by Step Solution
- Step 1: Write the proportion equation
5,243,053.64 : 7,235,638.50 = 2,919,946.14 : x - Step 2: Convert to fraction form
5,243,053.64/7,235,638.50 = 2,919,946.14/x - Step 3: Cross multiply
5,243,053.64x = 7,235,638.50 × 2,919,946.14 - Step 4: Simplify right side
5,243,053.64x = 21,127,674,733,650.79 - Step 5: Solve for x
x = 21,127,674,733,650.79/5,243,053.64 - Step 6: Final answer
x = 4,029,650.69
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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.