Finding the Fourth Proportional to 1,515,888.16, 2,091,870.84 and 836,810.08
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Solution
The fourth proportional to 1,515,888.16, 2,091,870.84 and 836,810.08 is: 1,154,767.65
Step by Step Solution
- Step 1: Write the proportion equation
1,515,888.16 : 2,091,870.84 = 836,810.08 : x - Step 2: Convert to fraction form
1,515,888.16/2,091,870.84 = 836,810.08/x - Step 3: Cross multiply
1,515,888.16x = 2,091,870.84 × 836,810.08 - Step 4: Simplify right side
1,515,888.16x = 1,750,498,604,970.07 - Step 5: Solve for x
x = 1,750,498,604,970.07/1,515,888.16 - Step 6: Final answer
x = 1,154,767.65
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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.