Finding the Fourth Proportional to 2,662,979.79, 3,994,637.82 and 1,125,688.53
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Solution
The fourth proportional to 2,662,979.79, 3,994,637.82 and 1,125,688.53 is: 1,688,603.87
Step by Step Solution
- Step 1: Write the proportion equation
2,662,979.79 : 3,994,637.82 = 1,125,688.53 : x - Step 2: Convert to fraction form
2,662,979.79/3,994,637.82 = 1,125,688.53/x - Step 3: Cross multiply
2,662,979.79x = 3,994,637.82 × 1,125,688.53 - Step 4: Simplify right side
2,662,979.79x = 4,496,717,975,478.20 - Step 5: Solve for x
x = 4,496,717,975,478.20/2,662,979.79 - Step 6: Final answer
x = 1,688,603.87
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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.