Finding the Fourth Proportional to 4,638,289.38, 6,955,394.49 and 1,903,959.42
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Solution
The fourth proportional to 4,638,289.38, 6,955,394.49 and 1,903,959.42 is: 2,855,101.91
Step by Step Solution
- Step 1: Write the proportion equation
4,638,289.38 : 6,955,394.49 = 1,903,959.42 : x - Step 2: Convert to fraction form
4,638,289.38/6,955,394.49 = 1,903,959.42/x - Step 3: Cross multiply
4,638,289.38x = 6,955,394.49 × 1,903,959.42 - Step 4: Simplify right side
4,638,289.38x = 13,242,788,859,051.60 - Step 5: Solve for x
x = 13,242,788,859,051.60/4,638,289.38 - Step 6: Final answer
x = 2,855,101.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.