Finding the Fourth Proportional to 4,252,258.34, 6,374,774.91 and 1,979,102.78
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Solution
The fourth proportional to 4,252,258.34, 6,374,774.91 and 1,979,102.78 is: 2,966,972.78
Step by Step Solution
- Step 1: Write the proportion equation
4,252,258.34 : 6,374,774.91 = 1,979,102.78 : x - Step 2: Convert to fraction form
4,252,258.34/6,374,774.91 = 1,979,102.78/x - Step 3: Cross multiply
4,252,258.34x = 6,374,774.91 × 1,979,102.78 - Step 4: Simplify right side
4,252,258.34x = 12,616,334,746,255.25 - Step 5: Solve for x
x = 12,616,334,746,255.25/4,252,258.34 - Step 6: Final answer
x = 2,966,972.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.