Finding the Fourth Proportional to 5,460,828.24, 8,191,213.20 and 1,417,313.12
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Solution
The fourth proportional to 5,460,828.24, 8,191,213.20 and 1,417,313.12 is: 2,125,962.11
Step by Step Solution
- Step 1: Write the proportion equation
5,460,828.24 : 8,191,213.20 = 1,417,313.12 : x - Step 2: Convert to fraction form
5,460,828.24/8,191,213.20 = 1,417,313.12/x - Step 3: Cross multiply
5,460,828.24x = 8,191,213.20 × 1,417,313.12 - Step 4: Simplify right side
5,460,828.24x = 11,609,513,937,077.19 - Step 5: Solve for x
x = 11,609,513,937,077.19/5,460,828.24 - Step 6: Final answer
x = 2,125,962.11
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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.