Finding the Fourth Proportional to 1,316,214.97, 1,974,442.94 and 369,579.31
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Solution
The fourth proportional to 1,316,214.97, 1,974,442.94 and 369,579.31 is: 554,402.79
Step by Step Solution
- Step 1: Write the proportion equation
1,316,214.97 : 1,974,442.94 = 369,579.31 : x - Step 2: Convert to fraction form
1,316,214.97/1,974,442.94 = 369,579.31/x - Step 3: Cross multiply
1,316,214.97x = 1,974,442.94 × 369,579.31 - Step 4: Simplify right side
1,316,214.97x = 729,713,254,001.49 - Step 5: Solve for x
x = 729,713,254,001.49/1,316,214.97 - Step 6: Final answer
x = 554,402.79
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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.