Home / 5,220,461.80-7,830,692.70-2,828,977.30

Finding the Fourth Proportional to 5,220,461.80, 7,830,692.70 and 2,828,977.30

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Solution

The fourth proportional to 5,220,461.80, 7,830,692.70 and 2,828,977.30 is: 4,243,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,461.80 : 7,830,692.70 = 2,828,977.30 : x
  2. Step 2: Convert to fraction form
    5,220,461.80/7,830,692.70 = 2,828,977.30/x
  3. Step 3: Cross multiply
    5,220,461.80x = 7,830,692.70 × 2,828,977.30
  4. Step 4: Simplify right side
    5,220,461.80x = 22,152,851,891,575.71
  5. Step 5: Solve for x
    x = 22,152,851,891,575.71/5,220,461.80
  6. Step 6: Final answer
    x = 4,243,465.95

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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.