Finding the Fourth Proportional to 1,472,209.48, 2,031,721.14 and 827,831.80
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Solution
The fourth proportional to 1,472,209.48, 2,031,721.14 and 827,831.80 is: 1,142,448.40
Step by Step Solution
- Step 1: Write the proportion equation
1,472,209.48 : 2,031,721.14 = 827,831.80 : x - Step 2: Convert to fraction form
1,472,209.48/2,031,721.14 = 827,831.80/x - Step 3: Cross multiply
1,472,209.48x = 2,031,721.14 × 827,831.80 - Step 4: Simplify right side
1,472,209.48x = 1,681,923,368,424.25 - Step 5: Solve for x
x = 1,681,923,368,424.25/1,472,209.48 - Step 6: Final answer
x = 1,142,448.40
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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.