Finding the Fourth Proportional to 1,778,625.99, 2,667,539.67 and 818,159.15
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Solution
The fourth proportional to 1,778,625.99, 2,667,539.67 and 818,159.15 is: 1,227,055.03
Step by Step Solution
- Step 1: Write the proportion equation
1,778,625.99 : 2,667,539.67 = 818,159.15 : x - Step 2: Convert to fraction form
1,778,625.99/2,667,539.67 = 818,159.15/x - Step 3: Cross multiply
1,778,625.99x = 2,667,539.67 × 818,159.15 - Step 4: Simplify right side
1,778,625.99x = 2,182,471,975,660.78 - Step 5: Solve for x
x = 2,182,471,975,660.78/1,778,625.99 - Step 6: Final answer
x = 1,227,055.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.