Finding the Fourth Proportional to 1,418,106.75, 1,957,206.30 and 837,392.01
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Solution
The fourth proportional to 1,418,106.75, 1,957,206.30 and 837,392.01 is: 1,155,730.28
Step by Step Solution
- Step 1: Write the proportion equation
1,418,106.75 : 1,957,206.30 = 837,392.01 : x - Step 2: Convert to fraction form
1,418,106.75/1,957,206.30 = 837,392.01/x - Step 3: Cross multiply
1,418,106.75x = 1,957,206.30 × 837,392.01 - Step 4: Simplify right side
1,418,106.75x = 1,638,948,917,541.66 - Step 5: Solve for x
x = 1,638,948,917,541.66/1,418,106.75 - Step 6: Final answer
x = 1,155,730.28
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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.