Finding the Fourth Proportional to 1,925,888.99, 2,657,694.11 and 1,066,430.79
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Solution
The fourth proportional to 1,925,888.99, 2,657,694.11 and 1,066,430.79 is: 1,471,656.39
Step by Step Solution
- Step 1: Write the proportion equation
1,925,888.99 : 2,657,694.11 = 1,066,430.79 : x - Step 2: Convert to fraction form
1,925,888.99/2,657,694.11 = 1,066,430.79/x - Step 3: Cross multiply
1,925,888.99x = 2,657,694.11 × 1,066,430.79 - Step 4: Simplify right side
1,925,888.99x = 2,834,246,823,973.49 - Step 5: Solve for x
x = 2,834,246,823,973.49/1,925,888.99 - Step 6: Final answer
x = 1,471,656.39
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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.