Finding the Fourth Proportional to 4,680,730.08, 6,459,534.96 and 2,643,842.40
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Solution
The fourth proportional to 4,680,730.08, 6,459,534.96 and 2,643,842.40 is: 3,648,574.50
Step by Step Solution
- Step 1: Write the proportion equation
4,680,730.08 : 6,459,534.96 = 2,643,842.40 : x - Step 2: Convert to fraction form
4,680,730.08/6,459,534.96 = 2,643,842.40/x - Step 3: Cross multiply
4,680,730.08x = 6,459,534.96 × 2,643,842.40 - Step 4: Simplify right side
4,680,730.08x = 17,077,992,411,530.30 - Step 5: Solve for x
x = 17,077,992,411,530.30/4,680,730.08 - Step 6: Final answer
x = 3,648,574.50
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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.