Finding the Fourth Proportional to 5,241,395.96, 7,862,137.95 and 1,455,174.08
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Solution
The fourth proportional to 5,241,395.96, 7,862,137.95 and 1,455,174.08 is: 2,182,773.34
Step by Step Solution
- Step 1: Write the proportion equation
5,241,395.96 : 7,862,137.95 = 1,455,174.08 : x - Step 2: Convert to fraction form
5,241,395.96/7,862,137.95 = 1,455,174.08/x - Step 3: Cross multiply
5,241,395.96x = 7,862,137.95 × 1,455,174.08 - Step 4: Simplify right side
5,241,395.96x = 11,440,779,358,224.34 - Step 5: Solve for x
x = 11,440,779,358,224.34/5,241,395.96 - Step 6: Final answer
x = 2,182,773.34
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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.