Finding the Fourth Proportional to 3,671,828.64, 5,503,805.28 and 1,775,962.08
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Solution
The fourth proportional to 3,671,828.64, 5,503,805.28 and 1,775,962.08 is: 2,662,038.57
Step by Step Solution
- Step 1: Write the proportion equation
3,671,828.64 : 5,503,805.28 = 1,775,962.08 : x - Step 2: Convert to fraction form
3,671,828.64/5,503,805.28 = 1,775,962.08/x - Step 3: Cross multiply
3,671,828.64x = 5,503,805.28 × 1,775,962.08 - Step 4: Simplify right side
3,671,828.64x = 9,774,549,472,983.78 - Step 5: Solve for x
x = 9,774,549,472,983.78/3,671,828.64 - Step 6: Final answer
x = 2,662,038.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.