Finding the Fourth Proportional to 1,879,621.48, 2,593,880.49 and 1,020,182.05
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Solution
The fourth proportional to 1,879,621.48, 2,593,880.49 and 1,020,182.05 is: 1,407,852.77
Step by Step Solution
- Step 1: Write the proportion equation
1,879,621.48 : 2,593,880.49 = 1,020,182.05 : x - Step 2: Convert to fraction form
1,879,621.48/2,593,880.49 = 1,020,182.05/x - Step 3: Cross multiply
1,879,621.48x = 2,593,880.49 × 1,020,182.05 - Step 4: Simplify right side
1,879,621.48x = 2,646,230,315,743.21 - Step 5: Solve for x
x = 2,646,230,315,743.21/1,879,621.48 - Step 6: Final answer
x = 1,407,852.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.