Finding the Fourth Proportional to 1,641,502.28, 2,260,258.59 and 1,487,538.95
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Solution
The fourth proportional to 1,641,502.28, 2,260,258.59 and 1,487,538.95 is: 2,048,259.53
Step by Step Solution
- Step 1: Write the proportion equation
1,641,502.28 : 2,260,258.59 = 1,487,538.95 : x - Step 2: Convert to fraction form
1,641,502.28/2,260,258.59 = 1,487,538.95/x - Step 3: Cross multiply
1,641,502.28x = 2,260,258.59 × 1,487,538.95 - Step 4: Simplify right side
1,641,502.28x = 3,362,222,689,697.08 - Step 5: Solve for x
x = 3,362,222,689,697.08/1,641,502.28 - Step 6: Final answer
x = 2,048,259.53
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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.