Finding the Fourth Proportional to 1,828,269.20, 2,742,403.80 and 1,355,877.20
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Solution
The fourth proportional to 1,828,269.20, 2,742,403.80 and 1,355,877.20 is: 2,033,815.80
Step by Step Solution
- Step 1: Write the proportion equation
1,828,269.20 : 2,742,403.80 = 1,355,877.20 : x - Step 2: Convert to fraction form
1,828,269.20/2,742,403.80 = 1,355,877.20/x - Step 3: Cross multiply
1,828,269.20x = 2,742,403.80 × 1,355,877.20 - Step 4: Simplify right side
1,828,269.20x = 3,718,362,785,613.36 - Step 5: Solve for x
x = 3,718,362,785,613.36/1,828,269.20 - Step 6: Final answer
x = 2,033,815.80
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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.