Finding the Fourth Proportional to 2,031,916.13, 2,804,048.21 and 1,126,498.13
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Solution
The fourth proportional to 2,031,916.13, 2,804,048.21 and 1,126,498.13 is: 1,554,569.61
Step by Step Solution
- Step 1: Write the proportion equation
2,031,916.13 : 2,804,048.21 = 1,126,498.13 : x - Step 2: Convert to fraction form
2,031,916.13/2,804,048.21 = 1,126,498.13/x - Step 3: Cross multiply
2,031,916.13x = 2,804,048.21 × 1,126,498.13 - Step 4: Simplify right side
2,031,916.13x = 3,158,755,064,994.85 - Step 5: Solve for x
x = 3,158,755,064,994.85/2,031,916.13 - Step 6: Final answer
x = 1,554,569.61
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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.