Finding the Fourth Proportional to 1,927,814.84, 2,660,339.20 and 1,068,356.66
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Solution
The fourth proportional to 1,927,814.84, 2,660,339.20 and 1,068,356.66 is: 1,474,307.10
Step by Step Solution
- Step 1: Write the proportion equation
1,927,814.84 : 2,660,339.20 = 1,068,356.66 : x - Step 2: Convert to fraction form
1,927,814.84/2,660,339.20 = 1,068,356.66/x - Step 3: Cross multiply
1,927,814.84x = 2,660,339.20 × 1,068,356.66 - Step 4: Simplify right side
1,927,814.84x = 2,842,191,102,179.07 - Step 5: Solve for x
x = 2,842,191,102,179.07/1,927,814.84 - Step 6: Final answer
x = 1,474,307.10
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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.