Finding the Fourth Proportional to 5,707,430.10, 8,562,428.19 and 1,920,803.22
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Solution
The fourth proportional to 5,707,430.10, 8,562,428.19 and 1,920,803.22 is: 2,881,636.63
Step by Step Solution
- Step 1: Write the proportion equation
5,707,430.10 : 8,562,428.19 = 1,920,803.22 : x - Step 2: Convert to fraction form
5,707,430.10/8,562,428.19 = 1,920,803.22/x - Step 3: Cross multiply
5,707,430.10x = 8,562,428.19 × 1,920,803.22 - Step 4: Simplify right side
5,707,430.10x = 16,446,739,638,370.77 - Step 5: Solve for x
x = 16,446,739,638,370.77/5,707,430.10 - Step 6: Final answer
x = 2,881,636.63
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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.