Finding the Fourth Proportional to 3,211,228.47, 4,427,208.26 and 2,551,130.52
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Solution
The fourth proportional to 3,211,228.47, 4,427,208.26 and 2,551,130.52 is: 3,517,154.33
Step by Step Solution
- Step 1: Write the proportion equation
3,211,228.47 : 4,427,208.26 = 2,551,130.52 : x - Step 2: Convert to fraction form
3,211,228.47/4,427,208.26 = 2,551,130.52/x - Step 3: Cross multiply
3,211,228.47x = 4,427,208.26 × 2,551,130.52 - Step 4: Simplify right side
3,211,228.47x = 11,294,386,110,482.09 - Step 5: Solve for x
x = 11,294,386,110,482.09/3,211,228.47 - Step 6: Final answer
x = 3,517,154.33
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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.