Finding the Fourth Proportional to 1,788,461.99, 2,468,053.68 and 972,648.11
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Solution
The fourth proportional to 1,788,461.99, 2,468,053.68 and 972,648.11 is: 1,342,241.41
Step by Step Solution
- Step 1: Write the proportion equation
1,788,461.99 : 2,468,053.68 = 972,648.11 : x - Step 2: Convert to fraction form
1,788,461.99/2,468,053.68 = 972,648.11/x - Step 3: Cross multiply
1,788,461.99x = 2,468,053.68 × 972,648.11 - Step 4: Simplify right side
1,788,461.99x = 2,400,547,749,753.25 - Step 5: Solve for x
x = 2,400,547,749,753.25/1,788,461.99 - Step 6: Final answer
x = 1,342,241.41
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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.