Finding the Fourth Proportional to 2,916,864.78, 4,024,792.14 and 1,627,702.09
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Solution
The fourth proportional to 2,916,864.78, 4,024,792.14 and 1,627,702.09 is: 2,245,960.33
Step by Step Solution
- Step 1: Write the proportion equation
2,916,864.78 : 4,024,792.14 = 1,627,702.09 : x - Step 2: Convert to fraction form
2,916,864.78/4,024,792.14 = 1,627,702.09/x - Step 3: Cross multiply
2,916,864.78x = 4,024,792.14 × 1,627,702.09 - Step 4: Simplify right side
2,916,864.78x = 6,551,162,571,083.53 - Step 5: Solve for x
x = 6,551,162,571,083.53/2,916,864.78 - Step 6: Final answer
x = 2,245,960.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.