Finding the Fourth Proportional to 5,102,193.42, 7,041,036.69 and 2,779,078.77
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Solution
The fourth proportional to 5,102,193.42, 7,041,036.69 and 2,779,078.77 is: 3,835,134.02
Step by Step Solution
- Step 1: Write the proportion equation
5,102,193.42 : 7,041,036.69 = 2,779,078.77 : x - Step 2: Convert to fraction form
5,102,193.42/7,041,036.69 = 2,779,078.77/x - Step 3: Cross multiply
5,102,193.42x = 7,041,036.69 × 2,779,078.77 - Step 4: Simplify right side
5,102,193.42x = 19,567,595,583,970.07 - Step 5: Solve for x
x = 19,567,595,583,970.07/5,102,193.42 - Step 6: Final answer
x = 3,835,134.02
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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.