Finding the Fourth Proportional to 1,353,578.91, 2,031,360.71 and 1,090,515.57
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Solution
The fourth proportional to 1,353,578.91, 2,031,360.71 and 1,090,515.57 is: 1,636,572.84
Step by Step Solution
- Step 1: Write the proportion equation
1,353,578.91 : 2,031,360.71 = 1,090,515.57 : x - Step 2: Convert to fraction form
1,353,578.91/2,031,360.71 = 1,090,515.57/x - Step 3: Cross multiply
1,353,578.91x = 2,031,360.71 × 1,090,515.57 - Step 4: Simplify right side
1,353,578.91x = 2,215,230,477,088.68 - Step 5: Solve for x
x = 2,215,230,477,088.68/1,353,578.91 - Step 6: Final answer
x = 1,636,572.84
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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.