Finding the Fourth Proportional to 1,536,847.08, 2,120,762.70 and 857,827.32
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Solution
The fourth proportional to 1,536,847.08, 2,120,762.70 and 857,827.32 is: 1,183,753.55
Step by Step Solution
- Step 1: Write the proportion equation
1,536,847.08 : 2,120,762.70 = 857,827.32 : x - Step 2: Convert to fraction form
1,536,847.08/2,120,762.70 = 857,827.32/x - Step 3: Cross multiply
1,536,847.08x = 2,120,762.70 × 857,827.32 - Step 4: Simplify right side
1,536,847.08x = 1,819,248,183,296.96 - Step 5: Solve for x
x = 1,819,248,183,296.96/1,536,847.08 - Step 6: Final answer
x = 1,183,753.55
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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.