Finding the Fourth Proportional to 4,442,834.84, 6,664,510.71 and 1,248,210.09
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Solution
The fourth proportional to 4,442,834.84, 6,664,510.71 and 1,248,210.09 is: 1,872,387.75
Step by Step Solution
- Step 1: Write the proportion equation
4,442,834.84 : 6,664,510.71 = 1,248,210.09 : x - Step 2: Convert to fraction form
4,442,834.84/6,664,510.71 = 1,248,210.09/x - Step 3: Cross multiply
4,442,834.84x = 6,664,510.71 × 1,248,210.09 - Step 4: Simplify right side
4,442,834.84x = 8,318,709,513,135.07 - Step 5: Solve for x
x = 8,318,709,513,135.07/4,442,834.84 - Step 6: Final answer
x = 1,872,387.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.