Finding the Fourth Proportional to 1,989,330.19, 2,984,461.84 and 791,320.75
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Solution
The fourth proportional to 1,989,330.19, 2,984,461.84 and 791,320.75 is: 1,187,166.71
Step by Step Solution
- Step 1: Write the proportion equation
1,989,330.19 : 2,984,461.84 = 791,320.75 : x - Step 2: Convert to fraction form
1,989,330.19/2,984,461.84 = 791,320.75/x - Step 3: Cross multiply
1,989,330.19x = 2,984,461.84 × 791,320.75 - Step 4: Simplify right side
1,989,330.19x = 2,361,666,581,575.18 - Step 5: Solve for x
x = 2,361,666,581,575.18/1,989,330.19 - Step 6: Final answer
x = 1,187,166.71
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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.