Finding the Fourth Proportional to 1,616,476.08, 2,230,886.64 and 928,238.12
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Solution
The fourth proportional to 1,616,476.08, 2,230,886.64 and 928,238.12 is: 1,281,054.53
Step by Step Solution
- Step 1: Write the proportion equation
1,616,476.08 : 2,230,886.64 = 928,238.12 : x - Step 2: Convert to fraction form
1,616,476.08/2,230,886.64 = 928,238.12/x - Step 3: Cross multiply
1,616,476.08x = 2,230,886.64 × 928,238.12 - Step 4: Simplify right side
1,616,476.08x = 2,070,794,009,492.28 - Step 5: Solve for x
x = 2,070,794,009,492.28/1,616,476.08 - Step 6: Final answer
x = 1,281,054.53
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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.