Finding the Fourth Proportional to 5,701,381.18, 7,864,923.08 and 3,525,228.70
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Solution
The fourth proportional to 5,701,381.18, 7,864,923.08 and 3,525,228.70 is: 4,862,971.22
Step by Step Solution
- Step 1: Write the proportion equation
5,701,381.18 : 7,864,923.08 = 3,525,228.70 : x - Step 2: Convert to fraction form
5,701,381.18/7,864,923.08 = 3,525,228.70/x - Step 3: Cross multiply
5,701,381.18x = 7,864,923.08 × 3,525,228.70 - Step 4: Simplify right side
5,701,381.18x = 27,725,652,564,908.40 - Step 5: Solve for x
x = 27,725,652,564,908.40/5,701,381.18 - Step 6: Final answer
x = 4,862,971.22
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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.