Finding the Fourth Proportional to 1,979,268.48, 2,731,448.08 and 1,119,810.29
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Solution
The fourth proportional to 1,979,268.48, 2,731,448.08 and 1,119,810.29 is: 1,545,370.77
Step by Step Solution
- Step 1: Write the proportion equation
1,979,268.48 : 2,731,448.08 = 1,119,810.29 : x - Step 2: Convert to fraction form
1,979,268.48/2,731,448.08 = 1,119,810.29/x - Step 3: Cross multiply
1,979,268.48x = 2,731,448.08 × 1,119,810.29 - Step 4: Simplify right side
1,979,268.48x = 3,058,703,654,327.27 - Step 5: Solve for x
x = 3,058,703,654,327.27/1,979,268.48 - Step 6: Final answer
x = 1,545,370.77
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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.