Finding the Fourth Proportional to 3,190,046.08, 4,402,271.28 and 1,813,398.88
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Solution
The fourth proportional to 3,190,046.08, 4,402,271.28 and 1,813,398.88 is: 2,502,494.83
Step by Step Solution
- Step 1: Write the proportion equation
3,190,046.08 : 4,402,271.28 = 1,813,398.88 : x - Step 2: Convert to fraction form
3,190,046.08/4,402,271.28 = 1,813,398.88/x - Step 3: Cross multiply
3,190,046.08x = 4,402,271.28 × 1,813,398.88 - Step 4: Simplify right side
3,190,046.08x = 7,983,073,808,608.17 - Step 5: Solve for x
x = 7,983,073,808,608.17/3,190,046.08 - Step 6: Final answer
x = 2,502,494.83
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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.