Finding the Fourth Proportional to 4,385,573.70, 6,578,811.81 and 1,655,420.70
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Solution
The fourth proportional to 4,385,573.70, 6,578,811.81 and 1,655,420.70 is: 2,483,301.38
Step by Step Solution
- Step 1: Write the proportion equation
4,385,573.70 : 6,578,811.81 = 1,655,420.70 : x - Step 2: Convert to fraction form
4,385,573.70/6,578,811.81 = 1,655,420.70/x - Step 3: Cross multiply
4,385,573.70x = 6,578,811.81 × 1,655,420.70 - Step 4: Simplify right side
4,385,573.70x = 10,890,701,210,507.30 - Step 5: Solve for x
x = 10,890,701,210,507.30/4,385,573.70 - Step 6: Final answer
x = 2,483,301.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.