Finding the Fourth Proportional to 1,937,860.71, 2,671,476.30 and 1,363,117.11
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Solution
The fourth proportional to 1,937,860.71, 2,671,476.30 and 1,363,117.11 is: 1,879,152.12
Step by Step Solution
- Step 1: Write the proportion equation
1,937,860.71 : 2,671,476.30 = 1,363,117.11 : x - Step 2: Convert to fraction form
1,937,860.71/2,671,476.30 = 1,363,117.11/x - Step 3: Cross multiply
1,937,860.71x = 2,671,476.30 × 1,363,117.11 - Step 4: Simplify right side
1,937,860.71x = 3,641,535,053,489.49 - Step 5: Solve for x
x = 3,641,535,053,489.49/1,937,860.71 - Step 6: Final answer
x = 1,879,152.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.