Finding the Fourth Proportional to 1,567,358.10, 2,351,039.64 and 430,135.86
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Solution
The fourth proportional to 1,567,358.10, 2,351,039.64 and 430,135.86 is: 645,204.47
Step by Step Solution
- Step 1: Write the proportion equation
1,567,358.10 : 2,351,039.64 = 430,135.86 : x - Step 2: Convert to fraction form
1,567,358.10/2,351,039.64 = 430,135.86/x - Step 3: Cross multiply
1,567,358.10x = 2,351,039.64 × 430,135.86 - Step 4: Simplify right side
1,567,358.10x = 1,011,266,457,445.49 - Step 5: Solve for x
x = 1,011,266,457,445.49/1,567,358.10 - Step 6: Final answer
x = 645,204.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.