Finding the Fourth Proportional to 1,555,228.08, 2,146,260.24 and 910,587.96
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Solution
The fourth proportional to 1,555,228.08, 2,146,260.24 and 910,587.96 is: 1,256,638.02
Step by Step Solution
- Step 1: Write the proportion equation
1,555,228.08 : 2,146,260.24 = 910,587.96 : x - Step 2: Convert to fraction form
1,555,228.08/2,146,260.24 = 910,587.96/x - Step 3: Cross multiply
1,555,228.08x = 2,146,260.24 × 910,587.96 - Step 4: Simplify right side
1,555,228.08x = 1,954,358,733,570.71 - Step 5: Solve for x
x = 1,954,358,733,570.71/1,555,228.08 - Step 6: Final answer
x = 1,256,638.02
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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.