Finding the Fourth Proportional to 3,457,248.77, 4,771,454.70 and 1,929,673.01
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Solution
The fourth proportional to 3,457,248.77, 4,771,454.70 and 1,929,673.01 is: 2,663,200.70
Step by Step Solution
- Step 1: Write the proportion equation
3,457,248.77 : 4,771,454.70 = 1,929,673.01 : x - Step 2: Convert to fraction form
3,457,248.77/4,771,454.70 = 1,929,673.01/x - Step 3: Cross multiply
3,457,248.77x = 4,771,454.70 × 1,929,673.01 - Step 4: Simplify right side
3,457,248.77x = 9,207,347,329,170.37 - Step 5: Solve for x
x = 9,207,347,329,170.37/3,457,248.77 - Step 6: Final answer
x = 2,663,200.70
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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.