Finding the Fourth Proportional to 1,488,193.74, 2,232,241.20 and 646,746.30
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Solution
The fourth proportional to 1,488,193.74, 2,232,241.20 and 646,746.30 is: 970,097.98
Step by Step Solution
- Step 1: Write the proportion equation
1,488,193.74 : 2,232,241.20 = 646,746.30 : x - Step 2: Convert to fraction form
1,488,193.74/2,232,241.20 = 646,746.30/x - Step 3: Cross multiply
1,488,193.74x = 2,232,241.20 × 646,746.30 - Step 4: Simplify right side
1,488,193.74x = 1,443,693,736,807.56 - Step 5: Solve for x
x = 1,443,693,736,807.56/1,488,193.74 - Step 6: Final answer
x = 970,097.98
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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.