Finding the Fourth Proportional to 1,480,881.69, 2,221,405.63 and 415,840.71
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Solution
The fourth proportional to 1,480,881.69, 2,221,405.63 and 415,840.71 is: 623,784.40
Step by Step Solution
- Step 1: Write the proportion equation
1,480,881.69 : 2,221,405.63 = 415,840.71 : x - Step 2: Convert to fraction form
1,480,881.69/2,221,405.63 = 415,840.71/x - Step 3: Cross multiply
1,480,881.69x = 2,221,405.63 × 415,840.71 - Step 4: Simplify right side
1,480,881.69x = 923,750,896,297.34 - Step 5: Solve for x
x = 923,750,896,297.34/1,480,881.69 - Step 6: Final answer
x = 623,784.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.