Finding the Fourth Proportional to 1,577,407.50, 2,176,822.35 and 898,407.18
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Solution
The fourth proportional to 1,577,407.50, 2,176,822.35 and 898,407.18 is: 1,239,801.91
Step by Step Solution
- Step 1: Write the proportion equation
1,577,407.50 : 2,176,822.35 = 898,407.18 : x - Step 2: Convert to fraction form
1,577,407.50/2,176,822.35 = 898,407.18/x - Step 3: Cross multiply
1,577,407.50x = 2,176,822.35 × 898,407.18 - Step 4: Simplify right side
1,577,407.50x = 1,955,672,828,824.47 - Step 5: Solve for x
x = 1,955,672,828,824.47/1,577,407.50 - Step 6: Final answer
x = 1,239,801.91
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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.