Finding the Fourth Proportional to 5,638,584.08, 7,781,320.68 and 3,060,295.76
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Solution
The fourth proportional to 5,638,584.08, 7,781,320.68 and 3,060,295.76 is: 4,223,248.66
Step by Step Solution
- Step 1: Write the proportion equation
5,638,584.08 : 7,781,320.68 = 3,060,295.76 : x - Step 2: Convert to fraction form
5,638,584.08/7,781,320.68 = 3,060,295.76/x - Step 3: Cross multiply
5,638,584.08x = 7,781,320.68 × 3,060,295.76 - Step 4: Simplify right side
5,638,584.08x = 23,813,142,684,204.31 - Step 5: Solve for x
x = 23,813,142,684,204.31/5,638,584.08 - Step 6: Final answer
x = 4,223,248.66
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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.