Finding the Fourth Proportional to 1,972,015.95, 2,953,490.79 and 1,252,303.95
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Solution
The fourth proportional to 1,972,015.95, 2,953,490.79 and 1,252,303.95 is: 1,875,577.21
Step by Step Solution
- Step 1: Write the proportion equation
1,972,015.95 : 2,953,490.79 = 1,252,303.95 : x - Step 2: Convert to fraction form
1,972,015.95/2,953,490.79 = 1,252,303.95/x - Step 3: Cross multiply
1,972,015.95x = 2,953,490.79 × 1,252,303.95 - Step 4: Simplify right side
1,972,015.95x = 3,698,668,182,605.62 - Step 5: Solve for x
x = 3,698,668,182,605.62/1,972,015.95 - Step 6: Final answer
x = 1,875,577.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.