Finding the Fourth Proportional to 1,452,305.80, 2,178,750.30 and 1,217,276.20
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Solution
The fourth proportional to 1,452,305.80, 2,178,750.30 and 1,217,276.20 is: 1,826,158.71
Step by Step Solution
- Step 1: Write the proportion equation
1,452,305.80 : 2,178,750.30 = 1,217,276.20 : x - Step 2: Convert to fraction form
1,452,305.80/2,178,750.30 = 1,217,276.20/x - Step 3: Cross multiply
1,452,305.80x = 2,178,750.30 × 1,217,276.20 - Step 4: Simplify right side
1,452,305.80x = 2,652,140,885,932.86 - Step 5: Solve for x
x = 2,652,140,885,932.86/1,452,305.80 - Step 6: Final answer
x = 1,826,158.71
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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.