Finding the Fourth Proportional to 1,528,067.71, 2,108,790.35 and 916,320.07
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Solution
The fourth proportional to 1,528,067.71, 2,108,790.35 and 916,320.07 is: 1,264,555.82
Step by Step Solution
- Step 1: Write the proportion equation
1,528,067.71 : 2,108,790.35 = 916,320.07 : x - Step 2: Convert to fraction form
1,528,067.71/2,108,790.35 = 916,320.07/x - Step 3: Cross multiply
1,528,067.71x = 2,108,790.35 × 916,320.07 - Step 4: Simplify right side
1,528,067.71x = 1,932,326,921,127.32 - Step 5: Solve for x
x = 1,932,326,921,127.32/1,528,067.71 - Step 6: Final answer
x = 1,264,555.82
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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.