Finding the Fourth Proportional to 1,945,862.12, 2,918,948.88 and 683,972.84
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Solution
The fourth proportional to 1,945,862.12, 2,918,948.88 and 683,972.84 is: 1,026,013.99
Step by Step Solution
- Step 1: Write the proportion equation
1,945,862.12 : 2,918,948.88 = 683,972.84 : x - Step 2: Convert to fraction form
1,945,862.12/2,918,948.88 = 683,972.84/x - Step 3: Cross multiply
1,945,862.12x = 2,918,948.88 × 683,972.84 - Step 4: Simplify right side
1,945,862.12x = 1,996,481,755,268.42 - Step 5: Solve for x
x = 1,996,481,755,268.42/1,945,862.12 - Step 6: Final answer
x = 1,026,013.99
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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.