Finding the Fourth Proportional to 1,812,715.32, 2,717,206.74 and 971,041.08
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Solution
The fourth proportional to 1,812,715.32, 2,717,206.74 and 971,041.08 is: 1,455,561.91
Step by Step Solution
- Step 1: Write the proportion equation
1,812,715.32 : 2,717,206.74 = 971,041.08 : x - Step 2: Convert to fraction form
1,812,715.32/2,717,206.74 = 971,041.08/x - Step 3: Cross multiply
1,812,715.32x = 2,717,206.74 × 971,041.08 - Step 4: Simplify right side
1,812,715.32x = 2,638,519,367,392.88 - Step 5: Solve for x
x = 2,638,519,367,392.88/1,812,715.32 - Step 6: Final answer
x = 1,455,561.91
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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.