Finding the Fourth Proportional to 1,533,030.63, 2,115,113.94 and 888,326.25
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Solution
The fourth proportional to 1,533,030.63, 2,115,113.94 and 888,326.25 is: 1,225,618.85
Step by Step Solution
- Step 1: Write the proportion equation
1,533,030.63 : 2,115,113.94 = 888,326.25 : x - Step 2: Convert to fraction form
1,533,030.63/2,115,113.94 = 888,326.25/x - Step 3: Cross multiply
1,533,030.63x = 2,115,113.94 × 888,326.25 - Step 4: Simplify right side
1,533,030.63x = 1,878,911,234,642.93 - Step 5: Solve for x
x = 1,878,911,234,642.93/1,533,030.63 - Step 6: Final answer
x = 1,225,618.85
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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.