Finding the Fourth Proportional to 1,753,502.54, 2,421,504.74 and 1,657,973.02
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Solution
The fourth proportional to 1,753,502.54, 2,421,504.74 and 1,657,973.02 is: 2,289,582.95
Step by Step Solution
- Step 1: Write the proportion equation
1,753,502.54 : 2,421,504.74 = 1,657,973.02 : x - Step 2: Convert to fraction form
1,753,502.54/2,421,504.74 = 1,657,973.02/x - Step 3: Cross multiply
1,753,502.54x = 2,421,504.74 × 1,657,973.02 - Step 4: Simplify right side
1,753,502.54x = 4,014,789,526,722.12 - Step 5: Solve for x
x = 4,014,789,526,722.12/1,753,502.54 - Step 6: Final answer
x = 2,289,582.95
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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.