Finding the Fourth Proportional to 1,411,929, 2,115,534.78 and 878,132.52
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Solution
The fourth proportional to 1,411,929, 2,115,534.78 and 878,132.52 is: 1,315,731.80
Step by Step Solution
- Step 1: Write the proportion equation
1,411,929 : 2,115,534.78 = 878,132.52 : x - Step 2: Convert to fraction form
1,411,929/2,115,534.78 = 878,132.52/x - Step 3: Cross multiply
1,411,929x = 2,115,534.78 × 878,132.52 - Step 4: Simplify right side
1,411,929x = 1,857,719,887,509.05 - Step 5: Solve for x
x = 1,857,719,887,509.05/1,411,929 - Step 6: Final answer
x = 1,315,731.80
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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.