Finding the Fourth Proportional to 5,029,875.28, 6,941,228.70 and 2,738,053.12
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Solution
The fourth proportional to 5,029,875.28, 6,941,228.70 and 2,738,053.12 is: 3,778,513.75
Step by Step Solution
- Step 1: Write the proportion equation
5,029,875.28 : 6,941,228.70 = 2,738,053.12 : x - Step 2: Convert to fraction form
5,029,875.28/6,941,228.70 = 2,738,053.12/x - Step 3: Cross multiply
5,029,875.28x = 6,941,228.70 × 2,738,053.12 - Step 4: Simplify right side
5,029,875.28x = 19,005,452,898,668.55 - Step 5: Solve for x
x = 19,005,452,898,668.55/5,029,875.28 - Step 6: Final answer
x = 3,778,513.75
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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.