Finding the Fourth Proportional to 5,638,975.99, 7,781,801.84 and 3,060,656.76
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Solution
The fourth proportional to 5,638,975.99, 7,781,801.84 and 3,060,656.76 is: 4,223,714.46
Step by Step Solution
- Step 1: Write the proportion equation
5,638,975.99 : 7,781,801.84 = 3,060,656.76 : x - Step 2: Convert to fraction form
5,638,975.99/7,781,801.84 = 3,060,656.76/x - Step 3: Cross multiply
5,638,975.99x = 7,781,801.84 × 3,060,656.76 - Step 4: Simplify right side
5,638,975.99x = 23,817,424,406,576.44 - Step 5: Solve for x
x = 23,817,424,406,576.44/5,638,975.99 - Step 6: Final answer
x = 4,223,714.46
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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.