Finding the Fourth Proportional to 1,577,102.18, 2,176,398.87 and 898,038.68
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Solution
The fourth proportional to 1,577,102.18, 2,176,398.87 and 898,038.68 is: 1,239,292.16
Step by Step Solution
- Step 1: Write the proportion equation
1,577,102.18 : 2,176,398.87 = 898,038.68 : x - Step 2: Convert to fraction form
1,577,102.18/2,176,398.87 = 898,038.68/x - Step 3: Cross multiply
1,577,102.18x = 2,176,398.87 × 898,038.68 - Step 4: Simplify right side
1,577,102.18x = 1,954,490,368,368.29 - Step 5: Solve for x
x = 1,954,490,368,368.29/1,577,102.18 - Step 6: Final answer
x = 1,239,292.16
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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.