Finding the Fourth Proportional to 5,631,653.99, 7,771,835.52 and 3,184,631.16
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Solution
The fourth proportional to 5,631,653.99, 7,771,835.52 and 3,184,631.16 is: 4,394,877.53
Step by Step Solution
- Step 1: Write the proportion equation
5,631,653.99 : 7,771,835.52 = 3,184,631.16 : x - Step 2: Convert to fraction form
5,631,653.99/7,771,835.52 = 3,184,631.16/x - Step 3: Cross multiply
5,631,653.99x = 7,771,835.52 × 3,184,631.16 - Step 4: Simplify right side
5,631,653.99x = 24,750,429,567,386.80 - Step 5: Solve for x
x = 24,750,429,567,386.80/5,631,653.99 - Step 6: Final answer
x = 4,394,877.53
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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.