Finding the Fourth Proportional to 4,889,844.18, 6,748,686.69 and 2,929,800.10
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Solution
The fourth proportional to 4,889,844.18, 6,748,686.69 and 2,929,800.10 is: 4,043,544.58
Step by Step Solution
- Step 1: Write the proportion equation
4,889,844.18 : 6,748,686.69 = 2,929,800.10 : x - Step 2: Convert to fraction form
4,889,844.18/6,748,686.69 = 2,929,800.10/x - Step 3: Cross multiply
4,889,844.18x = 6,748,686.69 × 2,929,800.10 - Step 4: Simplify right side
4,889,844.18x = 19,772,302,939,230.67 - Step 5: Solve for x
x = 19,772,302,939,230.67/4,889,844.18 - Step 6: Final answer
x = 4,043,544.58
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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.