Finding the Fourth Proportional to 7,745,341.19, 10,688,511.86 and 4,260,605.12
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Solution
The fourth proportional to 7,745,341.19, 10,688,511.86 and 4,260,605.12 is: 5,879,602.62
Step by Step Solution
- Step 1: Write the proportion equation
7,745,341.19 : 10,688,511.86 = 4,260,605.12 : x - Step 2: Convert to fraction form
7,745,341.19/10,688,511.86 = 4,260,605.12/x - Step 3: Cross multiply
7,745,341.19x = 10,688,511.86 × 4,260,605.12 - Step 4: Simplify right side
7,745,341.19x = 45,539,528,334,593.70 - Step 5: Solve for x
x = 45,539,528,334,593.70/7,745,341.19 - Step 6: Final answer
x = 5,879,602.62
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1.5x scale
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.