Finding the Fourth Proportional to 3,674,345.80, 5,070,616.86 and 2,020,599.53
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Solution
The fourth proportional to 3,674,345.80, 5,070,616.86 and 2,020,599.53 is: 2,788,438.16
Step by Step Solution
- Step 1: Write the proportion equation
3,674,345.80 : 5,070,616.86 = 2,020,599.53 : x - Step 2: Convert to fraction form
3,674,345.80/5,070,616.86 = 2,020,599.53/x - Step 3: Cross multiply
3,674,345.80x = 5,070,616.86 × 2,020,599.53 - Step 4: Simplify right side
3,674,345.80x = 10,245,686,044,126.08 - Step 5: Solve for x
x = 10,245,686,044,126.08/3,674,345.80 - Step 6: Final answer
x = 2,788,438.16
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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.