Finding the Fourth Proportional to 1,771,790.32, 2,444,220.16 and 1,159,673.60
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Solution
The fourth proportional to 1,771,790.32, 2,444,220.16 and 1,159,673.60 is: 1,599,792.91
Step by Step Solution
- Step 1: Write the proportion equation
1,771,790.32 : 2,444,220.16 = 1,159,673.60 : x - Step 2: Convert to fraction form
1,771,790.32/2,444,220.16 = 1,159,673.60/x - Step 3: Cross multiply
1,771,790.32x = 2,444,220.16 × 1,159,673.60 - Step 4: Simplify right side
1,771,790.32x = 2,834,497,592,139.78 - Step 5: Solve for x
x = 2,834,497,592,139.78/1,771,790.32 - Step 6: Final answer
x = 1,599,792.91
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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.