Finding the Fourth Proportional to 1,879,699.49, 2,593,987.92 and 1,020,259.93
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Solution
The fourth proportional to 1,879,699.49, 2,593,987.92 and 1,020,259.93 is: 1,407,960.13
Step by Step Solution
- Step 1: Write the proportion equation
1,879,699.49 : 2,593,987.92 = 1,020,259.93 : x - Step 2: Convert to fraction form
1,879,699.49/2,593,987.92 = 1,020,259.93/x - Step 3: Cross multiply
1,879,699.49x = 2,593,987.92 × 1,020,259.93 - Step 4: Simplify right side
1,879,699.49x = 2,646,541,933,680.05 - Step 5: Solve for x
x = 2,646,541,933,680.05/1,879,699.49 - Step 6: Final answer
x = 1,407,960.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.