Finding the Fourth Proportional to 4,700,468.97, 6,488,631.36 and 3,174,642.81
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Solution
The fourth proportional to 4,700,468.97, 6,488,631.36 and 3,174,642.81 is: 4,382,347.17
Step by Step Solution
- Step 1: Write the proportion equation
4,700,468.97 : 6,488,631.36 = 3,174,642.81 : x - Step 2: Convert to fraction form
4,700,468.97/6,488,631.36 = 3,174,642.81/x - Step 3: Cross multiply
4,700,468.97x = 6,488,631.36 × 3,174,642.81 - Step 4: Simplify right side
4,700,468.97x = 20,599,086,893,764.52 - Step 5: Solve for x
x = 20,599,086,893,764.52/4,700,468.97 - Step 6: Final answer
x = 4,382,347.17
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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.