Finding the Fourth Proportional to 2,038,750.74, 2,813,548.32 and 1,121,049.81
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Solution
The fourth proportional to 2,038,750.74, 2,813,548.32 and 1,121,049.81 is: 1,547,088.49
Step by Step Solution
- Step 1: Write the proportion equation
2,038,750.74 : 2,813,548.32 = 1,121,049.81 : x - Step 2: Convert to fraction form
2,038,750.74/2,813,548.32 = 1,121,049.81/x - Step 3: Cross multiply
2,038,750.74x = 2,813,548.32 × 1,121,049.81 - Step 4: Simplify right side
2,038,750.74x = 3,154,127,809,561.82 - Step 5: Solve for x
x = 3,154,127,809,561.82/2,038,750.74 - Step 6: Final answer
x = 1,547,088.49
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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.