Finding the Fourth Proportional to 2,268,321.09, 3,130,281.21 and 1,249,725.84
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Solution
The fourth proportional to 2,268,321.09, 3,130,281.21 and 1,249,725.84 is: 1,724,620.62
Step by Step Solution
- Step 1: Write the proportion equation
2,268,321.09 : 3,130,281.21 = 1,249,725.84 : x - Step 2: Convert to fraction form
2,268,321.09/3,130,281.21 = 1,249,725.84/x - Step 3: Cross multiply
2,268,321.09x = 3,130,281.21 × 1,249,725.84 - Step 4: Simplify right side
2,268,321.09x = 3,911,993,314,603.47 - Step 5: Solve for x
x = 3,911,993,314,603.47/2,268,321.09 - Step 6: Final answer
x = 1,724,620.62
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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.