Finding the Fourth Proportional to 2,578,702.04, 3,868,048.80 and 685,443.48
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Solution
The fourth proportional to 2,578,702.04, 3,868,048.80 and 685,443.48 is: 1,028,164.09
Step by Step Solution
- Step 1: Write the proportion equation
2,578,702.04 : 3,868,048.80 = 685,443.48 : x - Step 2: Convert to fraction form
2,578,702.04/3,868,048.80 = 685,443.48/x - Step 3: Cross multiply
2,578,702.04x = 3,868,048.80 × 685,443.48 - Step 4: Simplify right side
2,578,702.04x = 2,651,328,830,281.82 - Step 5: Solve for x
x = 2,651,328,830,281.82/2,578,702.04 - Step 6: Final answer
x = 1,028,164.09
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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.