Finding the Fourth Proportional to 2,122,897.36, 2,929,569.36 and 1,205,118.48
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Solution
The fourth proportional to 2,122,897.36, 2,929,569.36 and 1,205,118.48 is: 1,663,047.04
Step by Step Solution
- Step 1: Write the proportion equation
2,122,897.36 : 2,929,569.36 = 1,205,118.48 : x - Step 2: Convert to fraction form
2,122,897.36/2,929,569.36 = 1,205,118.48/x - Step 3: Cross multiply
2,122,897.36x = 2,929,569.36 × 1,205,118.48 - Step 4: Simplify right side
2,122,897.36x = 3,530,478,174,177.77 - Step 5: Solve for x
x = 3,530,478,174,177.77/2,122,897.36 - Step 6: Final answer
x = 1,663,047.04
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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.