Finding the Fourth Proportional to 1,944,384.48, 2,683,813.68 and 1,128,771.36
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Solution
The fourth proportional to 1,944,384.48, 2,683,813.68 and 1,128,771.36 is: 1,558,031.37
Step by Step Solution
- Step 1: Write the proportion equation
1,944,384.48 : 2,683,813.68 = 1,128,771.36 : x - Step 2: Convert to fraction form
1,944,384.48/2,683,813.68 = 1,128,771.36/x - Step 3: Cross multiply
1,944,384.48x = 2,683,813.68 × 1,128,771.36 - Step 4: Simplify right side
1,944,384.48x = 3,029,412,017,560.21 - Step 5: Solve for x
x = 3,029,412,017,560.21/1,944,384.48 - Step 6: Final answer
x = 1,558,031.37
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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.