Finding the Fourth Proportional to 2,316,390.16, 3,196,809.93 and 1,284,221.84
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Solution
The fourth proportional to 2,316,390.16, 3,196,809.93 and 1,284,221.84 is: 1,772,332.32
Step by Step Solution
- Step 1: Write the proportion equation
2,316,390.16 : 3,196,809.93 = 1,284,221.84 : x - Step 2: Convert to fraction form
2,316,390.16/3,196,809.93 = 1,284,221.84/x - Step 3: Cross multiply
2,316,390.16x = 3,196,809.93 × 1,284,221.84 - Step 4: Simplify right side
2,316,390.16x = 4,105,413,130,434.87 - Step 5: Solve for x
x = 4,105,413,130,434.87/2,316,390.16 - Step 6: Final answer
x = 1,772,332.32
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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.