Finding the Fourth Proportional to 3,854,368.11, 5,779,311.18 and 1,458,397.53
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Solution
The fourth proportional to 3,854,368.11, 5,779,311.18 and 1,458,397.53 is: 2,186,748.36
Step by Step Solution
- Step 1: Write the proportion equation
3,854,368.11 : 5,779,311.18 = 1,458,397.53 : x - Step 2: Convert to fraction form
3,854,368.11/5,779,311.18 = 1,458,397.53/x - Step 3: Cross multiply
3,854,368.11x = 5,779,311.18 × 1,458,397.53 - Step 4: Simplify right side
3,854,368.11x = 8,428,533,128,273.12 - Step 5: Solve for x
x = 8,428,533,128,273.12/3,854,368.11 - Step 6: Final answer
x = 2,186,748.36
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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.