Finding the Fourth Proportional to 2,758,486.74, 3,806,637.57 and 1,534,793.82
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Solution
The fourth proportional to 2,758,486.74, 3,806,637.57 and 1,534,793.82 is: 2,117,974.23
Step by Step Solution
- Step 1: Write the proportion equation
2,758,486.74 : 3,806,637.57 = 1,534,793.82 : x - Step 2: Convert to fraction form
2,758,486.74/3,806,637.57 = 1,534,793.82/x - Step 3: Cross multiply
2,758,486.74x = 3,806,637.57 × 1,534,793.82 - Step 4: Simplify right side
2,758,486.74x = 5,842,403,817,415.82 - Step 5: Solve for x
x = 5,842,403,817,415.82/2,758,486.74 - Step 6: Final answer
x = 2,117,974.23
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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.