Finding the Fourth Proportional to 4,759,408.79, 7,133,047.91 and 2,229,487.19
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Solution
The fourth proportional to 4,759,408.79, 7,133,047.91 and 2,229,487.19 is: 3,341,389.58
Step by Step Solution
- Step 1: Write the proportion equation
4,759,408.79 : 7,133,047.91 = 2,229,487.19 : x - Step 2: Convert to fraction form
4,759,408.79/7,133,047.91 = 2,229,487.19/x - Step 3: Cross multiply
4,759,408.79x = 7,133,047.91 × 2,229,487.19 - Step 4: Simplify right side
4,759,408.79x = 15,903,038,929,853.84 - Step 5: Solve for x
x = 15,903,038,929,853.84/4,759,408.79 - Step 6: Final answer
x = 3,341,389.58
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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.