Finding the Fourth Proportional to 1,539,663.96, 2,124,673.02 and 851,291.94
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Solution
The fourth proportional to 1,539,663.96, 2,124,673.02 and 851,291.94 is: 1,174,747.91
Step by Step Solution
- Step 1: Write the proportion equation
1,539,663.96 : 2,124,673.02 = 851,291.94 : x - Step 2: Convert to fraction form
1,539,663.96/2,124,673.02 = 851,291.94/x - Step 3: Cross multiply
1,539,663.96x = 2,124,673.02 × 851,291.94 - Step 4: Simplify right side
1,539,663.96x = 1,808,717,017,061.46 - Step 5: Solve for x
x = 1,808,717,017,061.46/1,539,663.96 - Step 6: Final answer
x = 1,174,747.91
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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.