Finding the Fourth Proportional to 1,535,059.76, 2,118,966.09 and 1,154,192.90
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Solution
The fourth proportional to 1,535,059.76, 2,118,966.09 and 1,154,192.90 is: 1,593,225.02
Step by Step Solution
- Step 1: Write the proportion equation
1,535,059.76 : 2,118,966.09 = 1,154,192.90 : x - Step 2: Convert to fraction form
1,535,059.76/2,118,966.09 = 1,154,192.90/x - Step 3: Cross multiply
1,535,059.76x = 2,118,966.09 × 1,154,192.90 - Step 4: Simplify right side
1,535,059.76x = 2,445,695,616,418.76 - Step 5: Solve for x
x = 2,445,695,616,418.76/1,535,059.76 - Step 6: Final answer
x = 1,593,225.02
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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.