Finding the Fourth Proportional to 2,038,966.74, 2,813,953.39 and 1,121,357.58
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Solution
The fourth proportional to 2,038,966.74, 2,813,953.39 and 1,121,357.58 is: 1,547,572.06
Step by Step Solution
- Step 1: Write the proportion equation
2,038,966.74 : 2,813,953.39 = 1,121,357.58 : x - Step 2: Convert to fraction form
2,038,966.74/2,813,953.39 = 1,121,357.58/x - Step 3: Cross multiply
2,038,966.74x = 2,813,953.39 × 1,121,357.58 - Step 4: Simplify right side
2,038,966.74x = 3,155,447,963,643.20 - Step 5: Solve for x
x = 3,155,447,963,643.20/2,038,966.74 - Step 6: Final answer
x = 1,547,572.06
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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.