Finding the Fourth Proportional to 2,110,985.62, 3,159,003.75 and 1,312,643.14
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Solution
The fourth proportional to 2,110,985.62, 3,159,003.75 and 1,312,643.14 is: 1,964,316.84
Step by Step Solution
- Step 1: Write the proportion equation
2,110,985.62 : 3,159,003.75 = 1,312,643.14 : x - Step 2: Convert to fraction form
2,110,985.62/3,159,003.75 = 1,312,643.14/x - Step 3: Cross multiply
2,110,985.62x = 3,159,003.75 × 1,312,643.14 - Step 4: Simplify right side
2,110,985.62x = 4,146,644,601,671.78 - Step 5: Solve for x
x = 4,146,644,601,671.78/2,110,985.62 - Step 6: Final answer
x = 1,964,316.84
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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.