Finding the Fourth Proportional to 1,509,864.99, 2,083,671.18 and 865,409.55
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Solution
The fourth proportional to 1,509,864.99, 2,083,671.18 and 865,409.55 is: 1,194,298.13
Step by Step Solution
- Step 1: Write the proportion equation
1,509,864.99 : 2,083,671.18 = 865,409.55 : x - Step 2: Convert to fraction form
1,509,864.99/2,083,671.18 = 865,409.55/x - Step 3: Cross multiply
1,509,864.99x = 2,083,671.18 × 865,409.55 - Step 4: Simplify right side
1,509,864.99x = 1,803,228,938,231.77 - Step 5: Solve for x
x = 1,803,228,938,231.77/1,509,864.99 - Step 6: Final answer
x = 1,194,298.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.