Finding the Fourth Proportional to 5,473,486.30, 8,210,229.45 and 3,457,947.10
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Solution
The fourth proportional to 5,473,486.30, 8,210,229.45 and 3,457,947.10 is: 5,186,920.65
Step by Step Solution
- Step 1: Write the proportion equation
5,473,486.30 : 8,210,229.45 = 3,457,947.10 : x - Step 2: Convert to fraction form
5,473,486.30/8,210,229.45 = 3,457,947.10/x - Step 3: Cross multiply
5,473,486.30x = 8,210,229.45 × 3,457,947.10 - Step 4: Simplify right side
5,473,486.30x = 28,390,539,116,962.10 - Step 5: Solve for x
x = 28,390,539,116,962.10/5,473,486.30 - Step 6: Final answer
x = 5,186,920.65
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1.5x scale
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.