Finding the Fourth Proportional to 2,124,961.68, 3,184,972.92 and 1,214,781.96
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Solution
The fourth proportional to 2,124,961.68, 3,184,972.92 and 1,214,781.96 is: 1,820,761.14
Step by Step Solution
- Step 1: Write the proportion equation
2,124,961.68 : 3,184,972.92 = 1,214,781.96 : x - Step 2: Convert to fraction form
2,124,961.68/3,184,972.92 = 1,214,781.96/x - Step 3: Cross multiply
2,124,961.68x = 3,184,972.92 × 1,214,781.96 - Step 4: Simplify right side
2,124,961.68x = 3,869,047,646,304.52 - Step 5: Solve for x
x = 3,869,047,646,304.52/2,124,961.68 - Step 6: Final answer
x = 1,820,761.14
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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.