Finding the Fourth Proportional to 3,143,144.57, 4,710,774.44 and 1,343,916.08
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Solution
The fourth proportional to 3,143,144.57, 4,710,774.44 and 1,343,916.08 is: 2,014,188.45
Step by Step Solution
- Step 1: Write the proportion equation
3,143,144.57 : 4,710,774.44 = 1,343,916.08 : x - Step 2: Convert to fraction form
3,143,144.57/4,710,774.44 = 1,343,916.08/x - Step 3: Cross multiply
3,143,144.57x = 4,710,774.44 × 1,343,916.08 - Step 4: Simplify right side
3,143,144.57x = 6,330,885,488,895.54 - Step 5: Solve for x
x = 6,330,885,488,895.54/3,143,144.57 - Step 6: Final answer
x = 2,014,188.45
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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.