Finding the Fourth Proportional to 1,630,883.65, 2,250,670.92 and 977,294.25
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Solution
The fourth proportional to 1,630,883.65, 2,250,670.92 and 977,294.25 is: 1,348,696.92
Step by Step Solution
- Step 1: Write the proportion equation
1,630,883.65 : 2,250,670.92 = 977,294.25 : x - Step 2: Convert to fraction form
1,630,883.65/2,250,670.92 = 977,294.25/x - Step 3: Cross multiply
1,630,883.65x = 2,250,670.92 × 977,294.25 - Step 4: Simplify right side
1,630,883.65x = 2,199,567,748,758.21 - Step 5: Solve for x
x = 2,199,567,748,758.21/1,630,883.65 - Step 6: Final answer
x = 1,348,696.92
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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.