Finding the Fourth Proportional to 2,276,321.04, 3,141,316.62 and 1,257,718.50
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Solution
The fourth proportional to 2,276,321.04, 3,141,316.62 and 1,257,718.50 is: 1,735,647.99
Step by Step Solution
- Step 1: Write the proportion equation
2,276,321.04 : 3,141,316.62 = 1,257,718.50 : x - Step 2: Convert to fraction form
2,276,321.04/3,141,316.62 = 1,257,718.50/x - Step 3: Cross multiply
2,276,321.04x = 3,141,316.62 × 1,257,718.50 - Step 4: Simplify right side
2,276,321.04x = 3,950,892,027,331.47 - Step 5: Solve for x
x = 3,950,892,027,331.47/2,276,321.04 - Step 6: Final answer
x = 1,735,647.99
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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.