Finding the Fourth Proportional to 5,417,851.65, 8,128,130.51 and 3,823,528.65
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Solution
The fourth proportional to 5,417,851.65, 8,128,130.51 and 3,823,528.65 is: 5,736,247.85
Step by Step Solution
- Step 1: Write the proportion equation
5,417,851.65 : 8,128,130.51 = 3,823,528.65 : x - Step 2: Convert to fraction form
5,417,851.65/8,128,130.51 = 3,823,528.65/x - Step 3: Cross multiply
5,417,851.65x = 8,128,130.51 × 3,823,528.65 - Step 4: Simplify right side
5,417,851.65x = 31,078,139,875,924.11 - Step 5: Solve for x
x = 31,078,139,875,924.11/5,417,851.65 - Step 6: Final answer
x = 5,736,247.85
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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.