Finding the Fourth Proportional to 2,106,389.93, 2,906,811.60 and 1,139,519.97
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Solution
The fourth proportional to 2,106,389.93, 2,906,811.60 and 1,139,519.97 is: 1,572,534.04
Step by Step Solution
- Step 1: Write the proportion equation
2,106,389.93 : 2,906,811.60 = 1,139,519.97 : x - Step 2: Convert to fraction form
2,106,389.93/2,906,811.60 = 1,139,519.97/x - Step 3: Cross multiply
2,106,389.93x = 2,906,811.60 × 1,139,519.97 - Step 4: Simplify right side
2,106,389.93x = 3,312,369,867,227.65 - Step 5: Solve for x
x = 3,312,369,867,227.65/2,106,389.93 - Step 6: Final answer
x = 1,572,534.04
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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.