Finding the Fourth Proportional to 1,457,398.49, 2,185,624.10 and 484,501.63
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Solution
The fourth proportional to 1,457,398.49, 2,185,624.10 and 484,501.63 is: 726,594.99
Step by Step Solution
- Step 1: Write the proportion equation
1,457,398.49 : 2,185,624.10 = 484,501.63 : x - Step 2: Convert to fraction form
1,457,398.49/2,185,624.10 = 484,501.63/x - Step 3: Cross multiply
1,457,398.49x = 2,185,624.10 × 484,501.63 - Step 4: Simplify right side
1,457,398.49x = 1,058,938,439,017.28 - Step 5: Solve for x
x = 1,058,938,439,017.28/1,457,398.49 - Step 6: Final answer
x = 726,594.99
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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.