Finding the Fourth Proportional to 5,387,070.58, 7,434,315.53 and 2,939,839.58
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Solution
The fourth proportional to 5,387,070.58, 7,434,315.53 and 2,939,839.58 is: 4,057,064.91
Step by Step Solution
- Step 1: Write the proportion equation
5,387,070.58 : 7,434,315.53 = 2,939,839.58 : x - Step 2: Convert to fraction form
5,387,070.58/7,434,315.53 = 2,939,839.58/x - Step 3: Cross multiply
5,387,070.58x = 7,434,315.53 × 2,939,839.58 - Step 4: Simplify right side
5,387,070.58x = 21,855,695,018,395.64 - Step 5: Solve for x
x = 21,855,695,018,395.64/5,387,070.58 - Step 6: Final answer
x = 4,057,064.91
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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.