Finding the Fourth Proportional to 1,642,386.44, 2,250,031.84 and 1,580,981.76
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Solution
The fourth proportional to 1,642,386.44, 2,250,031.84 and 1,580,981.76 is: 2,165,908.83
Step by Step Solution
- Step 1: Write the proportion equation
1,642,386.44 : 2,250,031.84 = 1,580,981.76 : x - Step 2: Convert to fraction form
1,642,386.44/2,250,031.84 = 1,580,981.76/x - Step 3: Cross multiply
1,642,386.44x = 2,250,031.84 × 1,580,981.76 - Step 4: Simplify right side
1,642,386.44x = 3,557,259,294,506.78 - Step 5: Solve for x
x = 3,557,259,294,506.78/1,642,386.44 - Step 6: Final answer
x = 2,165,908.83
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.