Finding the Fourth Proportional to 3,771,041.90, 5,203,417.47 and 2,375,386.65
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Solution
The fourth proportional to 3,771,041.90, 5,203,417.47 and 2,375,386.65 is: 3,277,642.82
Step by Step Solution
- Step 1: Write the proportion equation
3,771,041.90 : 5,203,417.47 = 2,375,386.65 : x - Step 2: Convert to fraction form
3,771,041.90/5,203,417.47 = 2,375,386.65/x - Step 3: Cross multiply
3,771,041.90x = 5,203,417.47 × 2,375,386.65 - Step 4: Simplify right side
3,771,041.90x = 12,360,128,392,614.77 - Step 5: Solve for x
x = 12,360,128,392,614.77/3,771,041.90 - Step 6: Final answer
x = 3,277,642.82
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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.