Finding the Fourth Proportional to 2,291,178.74, 3,438,187.34 and 1,332,085.68
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Solution
The fourth proportional to 2,291,178.74, 3,438,187.34 and 1,332,085.68 is: 1,998,953.66
Step by Step Solution
- Step 1: Write the proportion equation
2,291,178.74 : 3,438,187.34 = 1,332,085.68 : x - Step 2: Convert to fraction form
2,291,178.74/3,438,187.34 = 1,332,085.68/x - Step 3: Cross multiply
2,291,178.74x = 3,438,187.34 × 1,332,085.68 - Step 4: Simplify right side
2,291,178.74x = 4,579,960,114,110.86 - Step 5: Solve for x
x = 4,579,960,114,110.86/2,291,178.74 - Step 6: Final answer
x = 1,998,953.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.