Finding the Fourth Proportional to 2,106,336.40, 2,906,737.88 and 1,139,466.42
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Solution
The fourth proportional to 2,106,336.40, 2,906,737.88 and 1,139,466.42 is: 1,572,460.22
Step by Step Solution
- Step 1: Write the proportion equation
2,106,336.40 : 2,906,737.88 = 1,139,466.42 : x - Step 2: Convert to fraction form
2,106,336.40/2,906,737.88 = 1,139,466.42/x - Step 3: Cross multiply
2,106,336.40x = 2,906,737.88 × 1,139,466.42 - Step 4: Simplify right side
2,106,336.40x = 3,312,130,206,001.99 - Step 5: Solve for x
x = 3,312,130,206,001.99/2,106,336.40 - Step 6: Final answer
x = 1,572,460.22
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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.