Finding the Fourth Proportional to 5,759,564.49, 8,640,635.35 and 2,165,362.58
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Solution
The fourth proportional to 5,759,564.49, 8,640,635.35 and 2,165,362.58 is: 3,248,528.34
Step by Step Solution
- Step 1: Write the proportion equation
5,759,564.49 : 8,640,635.35 = 2,165,362.58 : x - Step 2: Convert to fraction form
5,759,564.49/8,640,635.35 = 2,165,362.58/x - Step 3: Cross multiply
5,759,564.49x = 8,640,635.35 × 2,165,362.58 - Step 4: Simplify right side
5,759,564.49x = 18,710,108,454,315.20 - Step 5: Solve for x
x = 18,710,108,454,315.20/5,759,564.49 - Step 6: Final answer
x = 3,248,528.34
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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.