Finding the Fourth Proportional to 5,621,326.15, 8,430,727.25 and 2,585,776.63
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Solution
The fourth proportional to 5,621,326.15, 8,430,727.25 and 2,585,776.63 is: 3,878,084.44
Step by Step Solution
- Step 1: Write the proportion equation
5,621,326.15 : 8,430,727.25 = 2,585,776.63 : x - Step 2: Convert to fraction form
5,621,326.15/8,430,727.25 = 2,585,776.63/x - Step 3: Cross multiply
5,621,326.15x = 8,430,727.25 × 2,585,776.63 - Step 4: Simplify right side
5,621,326.15x = 21,799,977,484,025.28 - Step 5: Solve for x
x = 21,799,977,484,025.28/5,621,326.15 - Step 6: Final answer
x = 3,878,084.44
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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.