Finding the Fourth Proportional to 4,989,928.93, 6,886,106.81 and 2,698,089.01
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Solution
The fourth proportional to 4,989,928.93, 6,886,106.81 and 2,698,089.01 is: 3,723,365.48
Step by Step Solution
- Step 1: Write the proportion equation
4,989,928.93 : 6,886,106.81 = 2,698,089.01 : x - Step 2: Convert to fraction form
4,989,928.93/6,886,106.81 = 2,698,089.01/x - Step 3: Cross multiply
4,989,928.93x = 6,886,106.81 × 2,698,089.01 - Step 4: Simplify right side
4,989,928.93x = 18,579,329,105,747.16 - Step 5: Solve for x
x = 18,579,329,105,747.16/4,989,928.93 - Step 6: Final answer
x = 3,723,365.48
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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.