Finding the Fourth Proportional to 4,575,641.60, 6,311,761.98 and 2,853,772.76
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Solution
The fourth proportional to 4,575,641.60, 6,311,761.98 and 2,853,772.76 is: 3,936,570.21
Step by Step Solution
- Step 1: Write the proportion equation
4,575,641.60 : 6,311,761.98 = 2,853,772.76 : x - Step 2: Convert to fraction form
4,575,641.60/6,311,761.98 = 2,853,772.76/x - Step 3: Cross multiply
4,575,641.60x = 6,311,761.98 × 2,853,772.76 - Step 4: Simplify right side
4,575,641.60x = 18,012,334,406,127.66 - Step 5: Solve for x
x = 18,012,334,406,127.66/4,575,641.60 - Step 6: Final answer
x = 3,936,570.21
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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.