Finding the Fourth Proportional to 2,779,189.84, 4,166,648.68 and 1,411,839.40
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Solution
The fourth proportional to 2,779,189.84, 4,166,648.68 and 1,411,839.40 is: 2,116,673.96
Step by Step Solution
- Step 1: Write the proportion equation
2,779,189.84 : 4,166,648.68 = 1,411,839.40 : x - Step 2: Convert to fraction form
2,779,189.84/4,166,648.68 = 1,411,839.40/x - Step 3: Cross multiply
2,779,189.84x = 4,166,648.68 × 1,411,839.40 - Step 4: Simplify right side
2,779,189.84x = 5,882,638,772,381.99 - Step 5: Solve for x
x = 5,882,638,772,381.99/2,779,189.84 - Step 6: Final answer
x = 2,116,673.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.