Finding the Fourth Proportional to 1,878,508.49, 2,817,879.98 and 530,774.60
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Solution
The fourth proportional to 1,878,508.49, 2,817,879.98 and 530,774.60 is: 796,195.02
Step by Step Solution
- Step 1: Write the proportion equation
1,878,508.49 : 2,817,879.98 = 530,774.60 : x - Step 2: Convert to fraction form
1,878,508.49/2,817,879.98 = 530,774.60/x - Step 3: Cross multiply
1,878,508.49x = 2,817,879.98 × 530,774.60 - Step 4: Simplify right side
1,878,508.49x = 1,495,659,102,489.24 - Step 5: Solve for x
x = 1,495,659,102,489.24/1,878,508.49 - Step 6: Final answer
x = 796,195.02
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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.