Finding the Fourth Proportional to 2,712,136.49, 4,069,346.01 and 1,688,323.70
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Solution
The fourth proportional to 2,712,136.49, 4,069,346.01 and 1,688,323.70 is: 2,533,196.01
Step by Step Solution
- Step 1: Write the proportion equation
2,712,136.49 : 4,069,346.01 = 1,688,323.70 : x - Step 2: Convert to fraction form
2,712,136.49/4,069,346.01 = 1,688,323.70/x - Step 3: Cross multiply
2,712,136.49x = 4,069,346.01 × 1,688,323.70 - Step 4: Simplify right side
2,712,136.49x = 6,870,373,330,270.82 - Step 5: Solve for x
x = 6,870,373,330,270.82/2,712,136.49 - Step 6: Final answer
x = 2,533,196.01
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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.