Finding the Fourth Proportional to 1,417,271.19, 2,127,135.15 and 743,828.28
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Solution
The fourth proportional to 1,417,271.19, 2,127,135.15 and 743,828.28 is: 1,116,387.10
Step by Step Solution
- Step 1: Write the proportion equation
1,417,271.19 : 2,127,135.15 = 743,828.28 : x - Step 2: Convert to fraction form
1,417,271.19/2,127,135.15 = 743,828.28/x - Step 3: Cross multiply
1,417,271.19x = 2,127,135.15 × 743,828.28 - Step 4: Simplify right side
1,417,271.19x = 1,582,223,279,952.04 - Step 5: Solve for x
x = 1,582,223,279,952.04/1,417,271.19 - Step 6: Final answer
x = 1,116,387.10
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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.