Finding the Fourth Proportional to 2,570,206.08, 3,546,841.80 and 1,408,643.40
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Solution
The fourth proportional to 2,570,206.08, 3,546,841.80 and 1,408,643.40 is: 1,943,904.55
Step by Step Solution
- Step 1: Write the proportion equation
2,570,206.08 : 3,546,841.80 = 1,408,643.40 : x - Step 2: Convert to fraction form
2,570,206.08/3,546,841.80 = 1,408,643.40/x - Step 3: Cross multiply
2,570,206.08x = 3,546,841.80 × 1,408,643.40 - Step 4: Simplify right side
2,570,206.08x = 4,996,235,292,414.12 - Step 5: Solve for x
x = 4,996,235,292,414.12/2,570,206.08 - Step 6: Final answer
x = 1,943,904.55
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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.