Finding the Fourth Proportional to 4,009,356.84, 5,527,559.77 and 3,185,165.08
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Solution
The fourth proportional to 4,009,356.84, 5,527,559.77 and 3,185,165.08 is: 4,391,275.47
Step by Step Solution
- Step 1: Write the proportion equation
4,009,356.84 : 5,527,559.77 = 3,185,165.08 : x - Step 2: Convert to fraction form
4,009,356.84/5,527,559.77 = 3,185,165.08/x - Step 3: Cross multiply
4,009,356.84x = 5,527,559.77 × 3,185,165.08 - Step 4: Simplify right side
4,009,356.84x = 17,606,190,357,016.83 - Step 5: Solve for x
x = 17,606,190,357,016.83/4,009,356.84 - Step 6: Final answer
x = 4,391,275.47
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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.