Finding the Fourth Proportional to 3,462,195.45, 4,778,011.35 and 2,085,971.03
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Solution
The fourth proportional to 3,462,195.45, 4,778,011.35 and 2,085,971.03 is: 2,878,749.45
Step by Step Solution
- Step 1: Write the proportion equation
3,462,195.45 : 4,778,011.35 = 2,085,971.03 : x - Step 2: Convert to fraction form
3,462,195.45/4,778,011.35 = 2,085,971.03/x - Step 3: Cross multiply
3,462,195.45x = 4,778,011.35 × 2,085,971.03 - Step 4: Simplify right side
3,462,195.45x = 9,966,793,257,005.47 - Step 5: Solve for x
x = 9,966,793,257,005.47/3,462,195.45 - Step 6: Final answer
x = 2,878,749.45
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1.5x scale
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.