Finding the Fourth Proportional to 4,237,865.70, 6,356,657.85 and 1,841,712.65
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Solution
The fourth proportional to 4,237,865.70, 6,356,657.85 and 1,841,712.65 is: 2,762,507.82
Step by Step Solution
- Step 1: Write the proportion equation
4,237,865.70 : 6,356,657.85 = 1,841,712.65 : x - Step 2: Convert to fraction form
4,237,865.70/6,356,657.85 = 1,841,712.65/x - Step 3: Cross multiply
4,237,865.70x = 6,356,657.85 × 1,841,712.65 - Step 4: Simplify right side
4,237,865.70x = 11,707,137,142,283.51 - Step 5: Solve for x
x = 11,707,137,142,283.51/4,237,865.70 - Step 6: Final answer
x = 2,762,507.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.