Finding the Fourth Proportional to 2,856,921.48, 4,286,497.36 and 1,258,363.80
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Solution
The fourth proportional to 2,856,921.48, 4,286,497.36 and 1,258,363.80 is: 1,888,036.88
Step by Step Solution
- Step 1: Write the proportion equation
2,856,921.48 : 4,286,497.36 = 1,258,363.80 : x - Step 2: Convert to fraction form
2,856,921.48/4,286,497.36 = 1,258,363.80/x - Step 3: Cross multiply
2,856,921.48x = 4,286,497.36 × 1,258,363.80 - Step 4: Simplify right side
2,856,921.48x = 5,393,973,106,619.57 - Step 5: Solve for x
x = 5,393,973,106,619.57/2,856,921.48 - Step 6: Final answer
x = 1,888,036.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.