Finding the Fourth Proportional to 1,716,538.23, 2,363,421.65 and 1,457,859.87
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Solution
The fourth proportional to 1,716,538.23, 2,363,421.65 and 1,457,859.87 is: 2,007,259.44
Step by Step Solution
- Step 1: Write the proportion equation
1,716,538.23 : 2,363,421.65 = 1,457,859.87 : x - Step 2: Convert to fraction form
1,716,538.23/2,363,421.65 = 1,457,859.87/x - Step 3: Cross multiply
1,716,538.23x = 2,363,421.65 × 1,457,859.87 - Step 4: Simplify right side
1,716,538.23x = 3,445,537,572,134.89 - Step 5: Solve for x
x = 3,445,537,572,134.89/1,716,538.23 - Step 6: Final answer
x = 2,007,259.44
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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.