Finding the Fourth Proportional to 5,578,020.36, 7,697,344.50 and 3,130,402.80
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Solution
The fourth proportional to 5,578,020.36, 7,697,344.50 and 3,130,402.80 is: 4,319,774.26
Step by Step Solution
- Step 1: Write the proportion equation
5,578,020.36 : 7,697,344.50 = 3,130,402.80 : x - Step 2: Convert to fraction form
5,578,020.36/7,697,344.50 = 3,130,402.80/x - Step 3: Cross multiply
5,578,020.36x = 7,697,344.50 × 3,130,402.80 - Step 4: Simplify right side
5,578,020.36x = 24,095,788,775,364.60 - Step 5: Solve for x
x = 24,095,788,775,364.60/5,578,020.36 - Step 6: Final answer
x = 4,319,774.26
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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.