Finding the Fourth Proportional to 5,697,557.76, 7,862,631.48 and 3,119,402.28
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Solution
The fourth proportional to 5,697,557.76, 7,862,631.48 and 3,119,402.28 is: 4,304,776.12
Step by Step Solution
- Step 1: Write the proportion equation
5,697,557.76 : 7,862,631.48 = 3,119,402.28 : x - Step 2: Convert to fraction form
5,697,557.76/7,862,631.48 = 3,119,402.28/x - Step 3: Cross multiply
5,697,557.76x = 7,862,631.48 × 3,119,402.28 - Step 4: Simplify right side
5,697,557.76x = 24,526,710,565,511.77 - Step 5: Solve for x
x = 24,526,710,565,511.77/5,697,557.76 - Step 6: Final answer
x = 4,304,776.12
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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.