Finding the Fourth Proportional to 1,540,468.91, 2,125,661.86 and 887,307.36
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Solution
The fourth proportional to 1,540,468.91, 2,125,661.86 and 887,307.36 is: 1,224,377.46
Step by Step Solution
- Step 1: Write the proportion equation
1,540,468.91 : 2,125,661.86 = 887,307.36 : x - Step 2: Convert to fraction form
1,540,468.91/2,125,661.86 = 887,307.36/x - Step 3: Cross multiply
1,540,468.91x = 2,125,661.86 × 887,307.36 - Step 4: Simplify right side
1,540,468.91x = 1,886,115,413,249.29 - Step 5: Solve for x
x = 1,886,115,413,249.29/1,540,468.91 - Step 6: Final answer
x = 1,224,377.46
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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.