Finding the Fourth Proportional to 1,838,521.24, 2,537,178.69 and 1,011,605.53
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Solution
The fourth proportional to 1,838,521.24, 2,537,178.69 and 1,011,605.53 is: 1,396,026.29
Step by Step Solution
- Step 1: Write the proportion equation
1,838,521.24 : 2,537,178.69 = 1,011,605.53 : x - Step 2: Convert to fraction form
1,838,521.24/2,537,178.69 = 1,011,605.53/x - Step 3: Cross multiply
1,838,521.24x = 2,537,178.69 × 1,011,605.53 - Step 4: Simplify right side
1,838,521.24x = 2,566,623,993,402.16 - Step 5: Solve for x
x = 2,566,623,993,402.16/1,838,521.24 - Step 6: Final answer
x = 1,396,026.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.