Finding the Fourth Proportional to 3,101,526.60, 4,651,676.54 and 2,947,726.44
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Solution
The fourth proportional to 3,101,526.60, 4,651,676.54 and 2,947,726.44 is: 4,421,006.72
Step by Step Solution
- Step 1: Write the proportion equation
3,101,526.60 : 4,651,676.54 = 2,947,726.44 : x - Step 2: Convert to fraction form
3,101,526.60/4,651,676.54 = 2,947,726.44/x - Step 3: Cross multiply
3,101,526.60x = 4,651,676.54 × 2,947,726.44 - Step 4: Simplify right side
3,101,526.60x = 13,711,869,927,285.72 - Step 5: Solve for x
x = 13,711,869,927,285.72/3,101,526.60 - Step 6: Final answer
x = 4,421,006.72
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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.