Finding the Fourth Proportional to 2,661,783.88, 3,994,746.28 and 1,857,842.68
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Solution
The fourth proportional to 2,661,783.88, 3,994,746.28 and 1,857,842.68 is: 2,788,209.14
Step by Step Solution
- Step 1: Write the proportion equation
2,661,783.88 : 3,994,746.28 = 1,857,842.68 : x - Step 2: Convert to fraction form
2,661,783.88/3,994,746.28 = 1,857,842.68/x - Step 3: Cross multiply
2,661,783.88x = 3,994,746.28 × 1,857,842.68 - Step 4: Simplify right side
2,661,783.88x = 7,421,610,134,755.23 - Step 5: Solve for x
x = 7,421,610,134,755.23/2,661,783.88 - Step 6: Final answer
x = 2,788,209.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.