Finding the Fourth Proportional to 1,551,317.95, 2,139,053.70 and 1,092,285.79
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Solution
The fourth proportional to 1,551,317.95, 2,139,053.70 and 1,092,285.79 is: 1,506,111.60
Step by Step Solution
- Step 1: Write the proportion equation
1,551,317.95 : 2,139,053.70 = 1,092,285.79 : x - Step 2: Convert to fraction form
1,551,317.95/2,139,053.70 = 1,092,285.79/x - Step 3: Cross multiply
1,551,317.95x = 2,139,053.70 × 1,092,285.79 - Step 4: Simplify right side
1,551,317.95x = 2,336,457,960,556.92 - Step 5: Solve for x
x = 2,336,457,960,556.92/1,551,317.95 - Step 6: Final answer
x = 1,506,111.60
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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.