Finding the Fourth Proportional to 4,700,467.97, 6,488,629.98 and 3,174,641.81
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Solution
The fourth proportional to 4,700,467.97, 6,488,629.98 and 3,174,641.81 is: 4,382,345.79
Step by Step Solution
- Step 1: Write the proportion equation
4,700,467.97 : 6,488,629.98 = 3,174,641.81 : x - Step 2: Convert to fraction form
4,700,467.97/6,488,629.98 = 3,174,641.81/x - Step 3: Cross multiply
4,700,467.97x = 6,488,629.98 × 3,174,641.81 - Step 4: Simplify right side
4,700,467.97x = 20,599,076,024,127.46 - Step 5: Solve for x
x = 20,599,076,024,127.46/4,700,467.97 - Step 6: Final answer
x = 4,382,345.79
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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.