Finding the Fourth Proportional to 3,803,639.74, 5,248,955.18 and 2,255,943.58
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Solution
The fourth proportional to 3,803,639.74, 5,248,955.18 and 2,255,943.58 is: 3,113,162.01
Step by Step Solution
- Step 1: Write the proportion equation
3,803,639.74 : 5,248,955.18 = 2,255,943.58 : x - Step 2: Convert to fraction form
3,803,639.74/5,248,955.18 = 2,255,943.58/x - Step 3: Cross multiply
3,803,639.74x = 5,248,955.18 × 2,255,943.58 - Step 4: Simplify right side
3,803,639.74x = 11,841,346,740,028.74 - Step 5: Solve for x
x = 11,841,346,740,028.74/3,803,639.74 - Step 6: Final answer
x = 3,113,162.01
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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.