Finding the Fourth Proportional to 1,553,569.74, 2,143,345.93 and 1,551,174.74
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Solution
The fourth proportional to 1,553,569.74, 2,143,345.93 and 1,551,174.74 is: 2,140,041.72
Step by Step Solution
- Step 1: Write the proportion equation
1,553,569.74 : 2,143,345.93 = 1,551,174.74 : x - Step 2: Convert to fraction form
1,553,569.74/2,143,345.93 = 1,551,174.74/x - Step 3: Cross multiply
1,553,569.74x = 2,143,345.93 × 1,551,174.74 - Step 4: Simplify right side
1,553,569.74x = 3,324,704,065,697.81 - Step 5: Solve for x
x = 3,324,704,065,697.81/1,553,569.74 - Step 6: Final answer
x = 2,140,041.72
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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.