Finding the Fourth Proportional to 1,605,559.95, 2,215,671.63 and 880,420.02
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Solution
The fourth proportional to 1,605,559.95, 2,215,671.63 and 880,420.02 is: 1,214,979.02
Step by Step Solution
- Step 1: Write the proportion equation
1,605,559.95 : 2,215,671.63 = 880,420.02 : x - Step 2: Convert to fraction form
1,605,559.95/2,215,671.63 = 880,420.02/x - Step 3: Cross multiply
1,605,559.95x = 2,215,671.63 × 880,420.02 - Step 4: Simplify right side
1,605,559.95x = 1,950,721,660,798.03 - Step 5: Solve for x
x = 1,950,721,660,798.03/1,605,559.95 - Step 6: Final answer
x = 1,214,979.02
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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.