Finding the Fourth Proportional to 1,826,502.48, 2,520,070.79 and 1,138,285.98
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Solution
The fourth proportional to 1,826,502.48, 2,520,070.79 and 1,138,285.98 is: 1,570,521.41
Step by Step Solution
- Step 1: Write the proportion equation
1,826,502.48 : 2,520,070.79 = 1,138,285.98 : x - Step 2: Convert to fraction form
1,826,502.48/2,520,070.79 = 1,138,285.98/x - Step 3: Cross multiply
1,826,502.48x = 2,520,070.79 × 1,138,285.98 - Step 4: Simplify right side
1,826,502.48x = 2,868,561,243,173.09 - Step 5: Solve for x
x = 2,868,561,243,173.09/1,826,502.48 - Step 6: Final answer
x = 1,570,521.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.