Finding the Fourth Proportional to 6,718,360.52, 9,271,248.99 and 3,778,176.74
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Solution
The fourth proportional to 6,718,360.52, 9,271,248.99 and 3,778,176.74 is: 5,213,834.11
Step by Step Solution
- Step 1: Write the proportion equation
6,718,360.52 : 9,271,248.99 = 3,778,176.74 : x - Step 2: Convert to fraction form
6,718,360.52/9,271,248.99 = 3,778,176.74/x - Step 3: Cross multiply
6,718,360.52x = 9,271,248.99 × 3,778,176.74 - Step 4: Simplify right side
6,718,360.52x = 35,028,417,292,994.83 - Step 5: Solve for x
x = 35,028,417,292,994.83/6,718,360.52 - Step 6: Final answer
x = 5,213,834.11
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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.