Finding the Fourth Proportional to 1,503,115.59, 2,074,430.07 and 824,183.31
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Solution
The fourth proportional to 1,503,115.59, 2,074,430.07 and 824,183.31 is: 1,137,444.55
Step by Step Solution
- Step 1: Write the proportion equation
1,503,115.59 : 2,074,430.07 = 824,183.31 : x - Step 2: Convert to fraction form
1,503,115.59/2,074,430.07 = 824,183.31/x - Step 3: Cross multiply
1,503,115.59x = 2,074,430.07 × 824,183.31 - Step 4: Simplify right side
1,503,115.59x = 1,709,710,641,456.13 - Step 5: Solve for x
x = 1,709,710,641,456.13/1,503,115.59 - Step 6: Final answer
x = 1,137,444.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.