Finding the Fourth Proportional to 2,792,582.16, 3,854,076.18 and 1,690,620.96
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Solution
The fourth proportional to 2,792,582.16, 3,854,076.18 and 1,690,620.96 is: 2,333,246.29
Step by Step Solution
- Step 1: Write the proportion equation
2,792,582.16 : 3,854,076.18 = 1,690,620.96 : x - Step 2: Convert to fraction form
2,792,582.16/3,854,076.18 = 1,690,620.96/x - Step 3: Cross multiply
2,792,582.16x = 3,854,076.18 × 1,690,620.96 - Step 4: Simplify right side
2,792,582.16x = 6,515,781,971,344.73 - Step 5: Solve for x
x = 6,515,781,971,344.73/2,792,582.16 - Step 6: Final answer
x = 2,333,246.29
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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.