Finding the Fourth Proportional to 1,879,143.40, 2,593,204.74 and 1,019,681.80
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Solution
The fourth proportional to 1,879,143.40, 2,593,204.74 and 1,019,681.80 is: 1,407,153.75
Step by Step Solution
- Step 1: Write the proportion equation
1,879,143.40 : 2,593,204.74 = 1,019,681.80 : x - Step 2: Convert to fraction form
1,879,143.40/2,593,204.74 = 1,019,681.80/x - Step 3: Cross multiply
1,879,143.40x = 2,593,204.74 × 1,019,681.80 - Step 4: Simplify right side
1,879,143.40x = 2,644,243,677,051.73 - Step 5: Solve for x
x = 2,644,243,677,051.73/1,879,143.40 - Step 6: Final answer
x = 1,407,153.75
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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.