Finding the Fourth Proportional to 1,508,030.76, 2,081,029.68 and 828,962.40
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Solution
The fourth proportional to 1,508,030.76, 2,081,029.68 and 828,962.40 is: 1,143,939.11
Step by Step Solution
- Step 1: Write the proportion equation
1,508,030.76 : 2,081,029.68 = 828,962.40 : x - Step 2: Convert to fraction form
1,508,030.76/2,081,029.68 = 828,962.40/x - Step 3: Cross multiply
1,508,030.76x = 2,081,029.68 × 828,962.40 - Step 4: Simplify right side
1,508,030.76x = 1,725,095,358,004.03 - Step 5: Solve for x
x = 1,725,095,358,004.03/1,508,030.76 - Step 6: Final answer
x = 1,143,939.11
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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.