Finding the Fourth Proportional to 1,937,821.80, 2,673,656.98 and 1,163,251.56
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Solution
The fourth proportional to 1,937,821.80, 2,673,656.98 and 1,163,251.56 is: 1,604,964.74
Step by Step Solution
- Step 1: Write the proportion equation
1,937,821.80 : 2,673,656.98 = 1,163,251.56 : x - Step 2: Convert to fraction form
1,937,821.80/2,673,656.98 = 1,163,251.56/x - Step 3: Cross multiply
1,937,821.80x = 2,673,656.98 × 1,163,251.56 - Step 4: Simplify right side
1,937,821.80x = 3,110,135,652,889.89 - Step 5: Solve for x
x = 3,110,135,652,889.89/1,937,821.80 - Step 6: Final answer
x = 1,604,964.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.