Finding the Fourth Proportional to 1,514,982.36, 2,090,674.47 and 971,117.76
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Solution
The fourth proportional to 1,514,982.36, 2,090,674.47 and 971,117.76 is: 1,340,141.75
Step by Step Solution
- Step 1: Write the proportion equation
1,514,982.36 : 2,090,674.47 = 971,117.76 : x - Step 2: Convert to fraction form
1,514,982.36/2,090,674.47 = 971,117.76/x - Step 3: Cross multiply
1,514,982.36x = 2,090,674.47 × 971,117.76 - Step 4: Simplify right side
1,514,982.36x = 2,030,291,108,195.59 - Step 5: Solve for x
x = 2,030,291,108,195.59/1,514,982.36 - Step 6: Final answer
x = 1,340,141.75
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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.