Finding the Fourth Proportional to 1,663,481.16, 2,495,378.88 and 465,403.68
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Solution
The fourth proportional to 1,663,481.16, 2,495,378.88 and 465,403.68 is: 698,149.48
Step by Step Solution
- Step 1: Write the proportion equation
1,663,481.16 : 2,495,378.88 = 465,403.68 : x - Step 2: Convert to fraction form
1,663,481.16/2,495,378.88 = 465,403.68/x - Step 3: Cross multiply
1,663,481.16x = 2,495,378.88 × 465,403.68 - Step 4: Simplify right side
1,663,481.16x = 1,161,358,513,746.28 - Step 5: Solve for x
x = 1,161,358,513,746.28/1,663,481.16 - Step 6: Final answer
x = 698,149.48
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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.