Finding the Fourth Proportional to 5,638,927.68, 7,781,725.44 and 3,060,607.68
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Solution
The fourth proportional to 5,638,927.68, 7,781,725.44 and 3,060,607.68 is: 4,223,641.44
Step by Step Solution
- Step 1: Write the proportion equation
5,638,927.68 : 7,781,725.44 = 3,060,607.68 : x - Step 2: Convert to fraction form
5,638,927.68/7,781,725.44 = 3,060,607.68/x - Step 3: Cross multiply
5,638,927.68x = 7,781,725.44 × 3,060,607.68 - Step 4: Simplify right side
5,638,927.68x = 23,816,808,645,315.38 - Step 5: Solve for x
x = 23,816,808,645,315.38/5,638,927.68 - Step 6: Final answer
x = 4,223,641.44
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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.