Finding the Fourth Proportional to 2,076,805.60, 3,115,208.40 and 878,417.08
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Solution
The fourth proportional to 2,076,805.60, 3,115,208.40 and 878,417.08 is: 1,317,625.62
Step by Step Solution
- Step 1: Write the proportion equation
2,076,805.60 : 3,115,208.40 = 878,417.08 : x - Step 2: Convert to fraction form
2,076,805.60/3,115,208.40 = 878,417.08/x - Step 3: Cross multiply
2,076,805.60x = 3,115,208.40 × 878,417.08 - Step 4: Simplify right side
2,076,805.60x = 2,736,452,266,319.47 - Step 5: Solve for x
x = 2,736,452,266,319.47/2,076,805.60 - Step 6: Final answer
x = 1,317,625.62
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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.