Finding the Fourth Proportional to 1,186,052.84, 1,636,746.04 and 642,177.39
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Solution
The fourth proportional to 1,186,052.84, 1,636,746.04 and 642,177.39 is: 886,201.07
Step by Step Solution
- Step 1: Write the proportion equation
1,186,052.84 : 1,636,746.04 = 642,177.39 : x - Step 2: Convert to fraction form
1,186,052.84/1,636,746.04 = 642,177.39/x - Step 3: Cross multiply
1,186,052.84x = 1,636,746.04 × 642,177.39 - Step 4: Simplify right side
1,186,052.84x = 1,051,081,300,060.04 - Step 5: Solve for x
x = 1,051,081,300,060.04/1,186,052.84 - Step 6: Final answer
x = 886,201.07
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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.