Finding the Fourth Proportional to 1,621,785.71, 2,238,230.68 and 933,483.35
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Solution
The fourth proportional to 1,621,785.71, 2,238,230.68 and 933,483.35 is: 1,288,302.80
Step by Step Solution
- Step 1: Write the proportion equation
1,621,785.71 : 2,238,230.68 = 933,483.35 : x - Step 2: Convert to fraction form
1,621,785.71/2,238,230.68 = 933,483.35/x - Step 3: Cross multiply
1,621,785.71x = 2,238,230.68 × 933,483.35 - Step 4: Simplify right side
1,621,785.71x = 2,089,351,076,501.05 - Step 5: Solve for x
x = 2,089,351,076,501.05/1,621,785.71 - Step 6: Final answer
x = 1,288,302.80
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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.