Finding the Fourth Proportional to 1,488,727.08, 2,233,090.62 and 647,278.92
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Solution
The fourth proportional to 1,488,727.08, 2,233,090.62 and 647,278.92 is: 970,918.38
Step by Step Solution
- Step 1: Write the proportion equation
1,488,727.08 : 2,233,090.62 = 647,278.92 : x - Step 2: Convert to fraction form
1,488,727.08/2,233,090.62 = 647,278.92/x - Step 3: Cross multiply
1,488,727.08x = 2,233,090.62 × 647,278.92 - Step 4: Simplify right side
1,488,727.08x = 1,445,432,484,775.73 - Step 5: Solve for x
x = 1,445,432,484,775.73/1,488,727.08 - Step 6: Final answer
x = 970,918.38
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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.