Finding the Fourth Proportional to 3,921,178.71, 5,881,772.64 and 1,225,518.05
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Solution
The fourth proportional to 3,921,178.71, 5,881,772.64 and 1,225,518.05 is: 1,838,278.51
Step by Step Solution
- Step 1: Write the proportion equation
3,921,178.71 : 5,881,772.64 = 1,225,518.05 : x - Step 2: Convert to fraction form
3,921,178.71/5,881,772.64 = 1,225,518.05/x - Step 3: Cross multiply
3,921,178.71x = 5,881,772.64 × 1,225,518.05 - Step 4: Simplify right side
3,921,178.71x = 7,208,218,555,616.28 - Step 5: Solve for x
x = 7,208,218,555,616.28/3,921,178.71 - Step 6: Final answer
x = 1,838,278.51
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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.