Finding the Fourth Proportional to 1,641,501.28, 2,260,257.21 and 1,487,537.95
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Solution
The fourth proportional to 1,641,501.28, 2,260,257.21 and 1,487,537.95 is: 2,048,258.15
Step by Step Solution
- Step 1: Write the proportion equation
1,641,501.28 : 2,260,257.21 = 1,487,537.95 : x - Step 2: Convert to fraction form
1,641,501.28/2,260,257.21 = 1,487,537.95/x - Step 3: Cross multiply
1,641,501.28x = 2,260,257.21 × 1,487,537.95 - Step 4: Simplify right side
1,641,501.28x = 3,362,218,376,636.12 - Step 5: Solve for x
x = 3,362,218,376,636.12/1,641,501.28 - Step 6: Final answer
x = 2,048,258.15
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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.