Finding the Fourth Proportional to 1,774,643.98, 2,449,008.75 and 1,010,768.62
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Solution
The fourth proportional to 1,774,643.98, 2,449,008.75 and 1,010,768.62 is: 1,394,860.73
Step by Step Solution
- Step 1: Write the proportion equation
1,774,643.98 : 2,449,008.75 = 1,010,768.62 : x - Step 2: Convert to fraction form
1,774,643.98/2,449,008.75 = 1,010,768.62/x - Step 3: Cross multiply
1,774,643.98x = 2,449,008.75 × 1,010,768.62 - Step 4: Simplify right side
1,774,643.98x = 2,475,381,194,605.42 - Step 5: Solve for x
x = 2,475,381,194,605.42/1,774,643.98 - Step 6: Final answer
x = 1,394,860.73
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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.