Finding the Fourth Proportional to 4,921,860.57, 6,791,153.56 and 2,828,298.66
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Solution
The fourth proportional to 4,921,860.57, 6,791,153.56 and 2,828,298.66 is: 3,902,469.45
Step by Step Solution
- Step 1: Write the proportion equation
4,921,860.57 : 6,791,153.56 = 2,828,298.66 : x - Step 2: Convert to fraction form
4,921,860.57/6,791,153.56 = 2,828,298.66/x - Step 3: Cross multiply
4,921,860.57x = 6,791,153.56 × 2,828,298.66 - Step 4: Simplify right side
4,921,860.57x = 19,207,410,513,602.23 - Step 5: Solve for x
x = 19,207,410,513,602.23/4,921,860.57 - Step 6: Final answer
x = 3,902,469.45
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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.