Finding the Fourth Proportional to 1,699,274.62, 2,343,804.80 and 1,118,312.66
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Solution
The fourth proportional to 1,699,274.62, 2,343,804.80 and 1,118,312.66 is: 1,542,485.57
Step by Step Solution
- Step 1: Write the proportion equation
1,699,274.62 : 2,343,804.80 = 1,118,312.66 : x - Step 2: Convert to fraction form
1,699,274.62/2,343,804.80 = 1,118,312.66/x - Step 3: Cross multiply
1,699,274.62x = 2,343,804.80 × 1,118,312.66 - Step 4: Simplify right side
1,699,274.62x = 2,621,106,580,408.77 - Step 5: Solve for x
x = 2,621,106,580,408.77/1,699,274.62 - Step 6: Final answer
x = 1,542,485.57
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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.