Finding the Fourth Proportional to 2,257,525.48, 3,115,444.26 and 1,290,813.16
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Solution
The fourth proportional to 2,257,525.48, 3,115,444.26 and 1,290,813.16 is: 1,781,355.95
Step by Step Solution
- Step 1: Write the proportion equation
2,257,525.48 : 3,115,444.26 = 1,290,813.16 : x - Step 2: Convert to fraction form
2,257,525.48/3,115,444.26 = 1,290,813.16/x - Step 3: Cross multiply
2,257,525.48x = 3,115,444.26 × 1,290,813.16 - Step 4: Simplify right side
2,257,525.48x = 4,021,456,450,054.46 - Step 5: Solve for x
x = 4,021,456,450,054.46/2,257,525.48 - Step 6: Final answer
x = 1,781,355.95
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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.