Finding the Fourth Proportional to 1,498,341.80, 2,246,813.95 and 778,490
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Solution
The fourth proportional to 1,498,341.80, 2,246,813.95 and 778,490 is: 1,167,371.95
Step by Step Solution
- Step 1: Write the proportion equation
1,498,341.80 : 2,246,813.95 = 778,490 : x - Step 2: Convert to fraction form
1,498,341.80/2,246,813.95 = 778,490/x - Step 3: Cross multiply
1,498,341.80x = 2,246,813.95 × 778,490 - Step 4: Simplify right side
1,498,341.80x = 1,749,122,191,935.50 - Step 5: Solve for x
x = 1,749,122,191,935.50/1,498,341.80 - Step 6: Final answer
x = 1,167,371.95
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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.