Finding the Fourth Proportional to 1,368,985.86, 1,888,442.10 and 795,962.70
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Solution
The fourth proportional to 1,368,985.86, 1,888,442.10 and 795,962.70 is: 1,097,987.58
Step by Step Solution
- Step 1: Write the proportion equation
1,368,985.86 : 1,888,442.10 = 795,962.70 : x - Step 2: Convert to fraction form
1,368,985.86/1,888,442.10 = 795,962.70/x - Step 3: Cross multiply
1,368,985.86x = 1,888,442.10 × 795,962.70 - Step 4: Simplify right side
1,368,985.86x = 1,503,129,472,709.67 - Step 5: Solve for x
x = 1,503,129,472,709.67/1,368,985.86 - Step 6: Final answer
x = 1,097,987.58
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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.