Finding the Fourth Proportional to 4,830,964.20, 6,666,655.77 and 2,655,460.71
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Solution
The fourth proportional to 4,830,964.20, 6,666,655.77 and 2,655,460.71 is: 3,664,494.65
Step by Step Solution
- Step 1: Write the proportion equation
4,830,964.20 : 6,666,655.77 = 2,655,460.71 : x - Step 2: Convert to fraction form
4,830,964.20/6,666,655.77 = 2,655,460.71/x - Step 3: Cross multiply
4,830,964.20x = 6,666,655.77 × 2,655,460.71 - Step 4: Simplify right side
4,830,964.20x = 17,703,042,464,329.80 - Step 5: Solve for x
x = 17,703,042,464,329.80/4,830,964.20 - Step 6: Final answer
x = 3,664,494.65
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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.