Finding the Fourth Proportional to 1,660,073.23, 2,290,986.35 and 1,015,291.09
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Solution
The fourth proportional to 1,660,073.23, 2,290,986.35 and 1,015,291.09 is: 1,401,153.87
Step by Step Solution
- Step 1: Write the proportion equation
1,660,073.23 : 2,290,986.35 = 1,015,291.09 : x - Step 2: Convert to fraction form
1,660,073.23/2,290,986.35 = 1,015,291.09/x - Step 3: Cross multiply
1,660,073.23x = 2,290,986.35 × 1,015,291.09 - Step 4: Simplify right side
1,660,073.23x = 2,326,018,028,466.62 - Step 5: Solve for x
x = 2,326,018,028,466.62/1,660,073.23 - Step 6: Final answer
x = 1,401,153.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.