Finding the Fourth Proportional to 1,316,518.09, 1,974,845.57 and 418,030.24
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Solution
The fourth proportional to 1,316,518.09, 1,974,845.57 and 418,030.24 is: 627,067.09
Step by Step Solution
- Step 1: Write the proportion equation
1,316,518.09 : 1,974,845.57 = 418,030.24 : x - Step 2: Convert to fraction form
1,316,518.09/1,974,845.57 = 418,030.24/x - Step 3: Cross multiply
1,316,518.09x = 1,974,845.57 × 418,030.24 - Step 4: Simplify right side
1,316,518.09x = 825,545,167,590.04 - Step 5: Solve for x
x = 825,545,167,590.04/1,316,518.09 - Step 6: Final answer
x = 627,067.09
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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.