Finding the Fourth Proportional to 2,873,030.15, 3,964,812.17 and 1,583,916.66
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Solution
The fourth proportional to 2,873,030.15, 3,964,812.17 and 1,583,916.66 is: 2,185,821.84
Step by Step Solution
- Step 1: Write the proportion equation
2,873,030.15 : 3,964,812.17 = 1,583,916.66 : x - Step 2: Convert to fraction form
2,873,030.15/3,964,812.17 = 1,583,916.66/x - Step 3: Cross multiply
2,873,030.15x = 3,964,812.17 × 1,583,916.66 - Step 4: Simplify right side
2,873,030.15x = 6,279,932,041,914.17 - Step 5: Solve for x
x = 6,279,932,041,914.17/2,873,030.15 - Step 6: Final answer
x = 2,185,821.84
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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.