Finding the Fourth Proportional to 2,575,075.15, 3,553,881.38 and 1,645,630.07
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Solution
The fourth proportional to 2,575,075.15, 3,553,881.38 and 1,645,630.07 is: 2,271,146.95
Step by Step Solution
- Step 1: Write the proportion equation
2,575,075.15 : 3,553,881.38 = 1,645,630.07 : x - Step 2: Convert to fraction form
2,575,075.15/3,553,881.38 = 1,645,630.07/x - Step 3: Cross multiply
2,575,075.15x = 3,553,881.38 × 1,645,630.07 - Step 4: Simplify right side
2,575,075.15x = 5,848,374,064,305.24 - Step 5: Solve for x
x = 5,848,374,064,305.24/2,575,075.15 - Step 6: Final answer
x = 2,271,146.95
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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.