Finding the Fourth Proportional to 5,127,058.10, 7,076,210.24 and 2,952,860.09
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Solution
The fourth proportional to 5,127,058.10, 7,076,210.24 and 2,952,860.09 is: 4,075,448.02
Step by Step Solution
- Step 1: Write the proportion equation
5,127,058.10 : 7,076,210.24 = 2,952,860.09 : x - Step 2: Convert to fraction form
5,127,058.10/7,076,210.24 = 2,952,860.09/x - Step 3: Cross multiply
5,127,058.10x = 7,076,210.24 × 2,952,860.09 - Step 4: Simplify right side
5,127,058.10x = 20,895,058,778,146.42 - Step 5: Solve for x
x = 20,895,058,778,146.42/5,127,058.10 - Step 6: Final answer
x = 4,075,448.02
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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.