Finding the Fourth Proportional to 3,187,089.70, 4,779,228.02 and 912,096.09
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Solution
The fourth proportional to 3,187,089.70, 4,779,228.02 and 912,096.09 is: 1,367,741.61
Step by Step Solution
- Step 1: Write the proportion equation
3,187,089.70 : 4,779,228.02 = 912,096.09 : x - Step 2: Convert to fraction form
3,187,089.70/4,779,228.02 = 912,096.09/x - Step 3: Cross multiply
3,187,089.70x = 4,779,228.02 × 912,096.09 - Step 4: Simplify right side
3,187,089.70x = 4,359,115,185,699.96 - Step 5: Solve for x
x = 4,359,115,185,699.96/3,187,089.70 - Step 6: Final answer
x = 1,367,741.61
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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.