Finding the Fourth Proportional to 1,370,989.84, 2,056,571.88 and 424,281.04
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Solution
The fourth proportional to 1,370,989.84, 2,056,571.88 and 424,281.04 is: 636,448.52
Step by Step Solution
- Step 1: Write the proportion equation
1,370,989.84 : 2,056,571.88 = 424,281.04 : x - Step 2: Convert to fraction form
1,370,989.84/2,056,571.88 = 424,281.04/x - Step 3: Cross multiply
1,370,989.84x = 2,056,571.88 × 424,281.04 - Step 4: Simplify right side
1,370,989.84x = 872,564,456,081.16 - Step 5: Solve for x
x = 872,564,456,081.16/1,370,989.84 - Step 6: Final answer
x = 636,448.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.