Finding the Fourth Proportional to 1,440,589.48, 1,985,642.58 and 1,021,625.08
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Solution
The fourth proportional to 1,440,589.48, 1,985,642.58 and 1,021,625.08 is: 1,408,161.23
Step by Step Solution
- Step 1: Write the proportion equation
1,440,589.48 : 1,985,642.58 = 1,021,625.08 : x - Step 2: Convert to fraction form
1,440,589.48/1,985,642.58 = 1,021,625.08/x - Step 3: Cross multiply
1,440,589.48x = 1,985,642.58 × 1,021,625.08 - Step 4: Simplify right side
1,440,589.48x = 2,028,582,259,643.91 - Step 5: Solve for x
x = 2,028,582,259,643.91/1,440,589.48 - Step 6: Final answer
x = 1,408,161.23
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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.