Finding the Fourth Proportional to 1,718,875.08, 2,577,425.67 and 771,435.09
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Solution
The fourth proportional to 1,718,875.08, 2,577,425.67 and 771,435.09 is: 1,156,754.57
Step by Step Solution
- Step 1: Write the proportion equation
1,718,875.08 : 2,577,425.67 = 771,435.09 : x - Step 2: Convert to fraction form
1,718,875.08/2,577,425.67 = 771,435.09/x - Step 3: Cross multiply
1,718,875.08x = 2,577,425.67 × 771,435.09 - Step 4: Simplify right side
1,718,875.08x = 1,988,316,603,704.76 - Step 5: Solve for x
x = 1,988,316,603,704.76/1,718,875.08 - Step 6: Final answer
x = 1,156,754.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.