Finding the Fourth Proportional to 1,564,313.75, 2,158,752.98 and 848,921.75
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Solution
The fourth proportional to 1,564,313.75, 2,158,752.98 and 848,921.75 is: 1,171,512.02
Step by Step Solution
- Step 1: Write the proportion equation
1,564,313.75 : 2,158,752.98 = 848,921.75 : x - Step 2: Convert to fraction form
1,564,313.75/2,158,752.98 = 848,921.75/x - Step 3: Cross multiply
1,564,313.75x = 2,158,752.98 × 848,921.75 - Step 4: Simplify right side
1,564,313.75x = 1,832,612,357,599.32 - Step 5: Solve for x
x = 1,832,612,357,599.32/1,564,313.75 - Step 6: Final answer
x = 1,171,512.02
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1.5x scale
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.