Finding the Fourth Proportional to 1,656,457.92, 2,484,742.12 and 458,279.84
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Solution
The fourth proportional to 1,656,457.92, 2,484,742.12 and 458,279.84 is: 687,435.04
Step by Step Solution
- Step 1: Write the proportion equation
1,656,457.92 : 2,484,742.12 = 458,279.84 : x - Step 2: Convert to fraction form
1,656,457.92/2,484,742.12 = 458,279.84/x - Step 3: Cross multiply
1,656,457.92x = 2,484,742.12 × 458,279.84 - Step 4: Simplify right side
1,656,457.92x = 1,138,707,221,194.86 - Step 5: Solve for x
x = 1,138,707,221,194.86/1,656,457.92 - Step 6: Final answer
x = 687,435.04
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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.