Finding the Fourth Proportional to 2,108,248.18, 2,909,347.74 and 1,141,370.62
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Solution
The fourth proportional to 2,108,248.18, 2,909,347.74 and 1,141,370.62 is: 1,575,072.64
Step by Step Solution
- Step 1: Write the proportion equation
2,108,248.18 : 2,909,347.74 = 1,141,370.62 : x - Step 2: Convert to fraction form
2,108,248.18/2,909,347.74 = 1,141,370.62/x - Step 3: Cross multiply
2,108,248.18x = 2,909,347.74 × 1,141,370.62 - Step 4: Simplify right side
2,108,248.18x = 3,320,644,033,799.40 - Step 5: Solve for x
x = 3,320,644,033,799.40/2,108,248.18 - Step 6: Final answer
x = 1,575,072.64
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1.5x scale
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.