Finding the Fourth Proportional to 3,211,659.84, 4,813,290.24 and 1,316,182.08
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Solution
The fourth proportional to 3,211,659.84, 4,813,290.24 and 1,316,182.08 is: 1,972,552.10
Step by Step Solution
- Step 1: Write the proportion equation
3,211,659.84 : 4,813,290.24 = 1,316,182.08 : x - Step 2: Convert to fraction form
3,211,659.84/4,813,290.24 = 1,316,182.08/x - Step 3: Cross multiply
3,211,659.84x = 4,813,290.24 × 1,316,182.08 - Step 4: Simplify right side
3,211,659.84x = 6,335,166,359,726.90 - Step 5: Solve for x
x = 6,335,166,359,726.90/3,211,659.84 - Step 6: Final answer
x = 1,972,552.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.