Home / 3,102,152.76-4,280,970.69-1,814,075.37

Finding the Fourth Proportional to 3,102,152.76, 4,280,970.69 and 1,814,075.37

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Solution

The fourth proportional to 3,102,152.76, 4,280,970.69 and 1,814,075.37 is: 2,503,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,152.76 : 4,280,970.69 = 1,814,075.37 : x
  2. Step 2: Convert to fraction form
    3,102,152.76/4,280,970.69 = 1,814,075.37/x
  3. Step 3: Cross multiply
    3,102,152.76x = 4,280,970.69 × 1,814,075.37
  4. Step 4: Simplify right side
    3,102,152.76x = 7,766,003,488,420.91
  5. Step 5: Solve for x
    x = 7,766,003,488,420.91/3,102,152.76
  6. Step 6: Final answer
    x = 2,503,423.94

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Double scale
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1.5x scale

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.