Finding the Fourth Proportional to 1,514,053.92, 2,272,655.52 and 1,115,145.12
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Solution
The fourth proportional to 1,514,053.92, 2,272,655.52 and 1,115,145.12 is: 1,673,877.45
Step by Step Solution
- Step 1: Write the proportion equation
1,514,053.92 : 2,272,655.52 = 1,115,145.12 : x - Step 2: Convert to fraction form
1,514,053.92/2,272,655.52 = 1,115,145.12/x - Step 3: Cross multiply
1,514,053.92x = 2,272,655.52 × 1,115,145.12 - Step 4: Simplify right side
1,514,053.92x = 2,534,340,712,569.06 - Step 5: Solve for x
x = 2,534,340,712,569.06/1,514,053.92 - Step 6: Final answer
x = 1,673,877.45
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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.