Finding the Fourth Proportional to 1,537,968.16, 2,106,981.26 and 1,480,466.20
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Solution
The fourth proportional to 1,537,968.16, 2,106,981.26 and 1,480,466.20 is: 2,028,204.89
Step by Step Solution
- Step 1: Write the proportion equation
1,537,968.16 : 2,106,981.26 = 1,480,466.20 : x - Step 2: Convert to fraction form
1,537,968.16/2,106,981.26 = 1,480,466.20/x - Step 3: Cross multiply
1,537,968.16x = 2,106,981.26 × 1,480,466.20 - Step 4: Simplify right side
1,537,968.16x = 3,119,314,539,463.41 - Step 5: Solve for x
x = 3,119,314,539,463.41/1,537,968.16 - Step 6: Final answer
x = 2,028,204.89
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.