Finding the Fourth Proportional to 5,490,919.96, 7,577,456.47 and 3,010,136.23
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Solution
The fourth proportional to 5,490,919.96, 7,577,456.47 and 3,010,136.23 is: 4,153,980.82
Step by Step Solution
- Step 1: Write the proportion equation
5,490,919.96 : 7,577,456.47 = 3,010,136.23 : x - Step 2: Convert to fraction form
5,490,919.96/7,577,456.47 = 3,010,136.23/x - Step 3: Cross multiply
5,490,919.96x = 7,577,456.47 × 3,010,136.23 - Step 4: Simplify right side
5,490,919.96x = 22,809,176,219,384.20 - Step 5: Solve for x
x = 22,809,176,219,384.20/5,490,919.96 - Step 6: Final answer
x = 4,153,980.82
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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.