Home / 2,920,663.12-4,381,409.76-899,075.20

Finding the Fourth Proportional to 2,920,663.12, 4,381,409.76 and 899,075.20

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Solution

The fourth proportional to 2,920,663.12, 4,381,409.76 and 899,075.20 is: 1,348,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,663.12 : 4,381,409.76 = 899,075.20 : x
  2. Step 2: Convert to fraction form
    2,920,663.12/4,381,409.76 = 899,075.20/x
  3. Step 3: Cross multiply
    2,920,663.12x = 4,381,409.76 × 899,075.20
  4. Step 4: Simplify right side
    2,920,663.12x = 3,939,216,856,253.95
  5. Step 5: Solve for x
    x = 3,939,216,856,253.95/2,920,663.12
  6. Step 6: Final answer
    x = 1,348,740.58

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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.