Home / 3,078,798.02-4,249,415.72-1,790,381.64

Finding the Fourth Proportional to 3,078,798.02, 4,249,415.72 and 1,790,381.64

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Solution

The fourth proportional to 3,078,798.02, 4,249,415.72 and 1,790,381.64 is: 2,471,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,798.02 : 4,249,415.72 = 1,790,381.64 : x
  2. Step 2: Convert to fraction form
    3,078,798.02/4,249,415.72 = 1,790,381.64/x
  3. Step 3: Cross multiply
    3,078,798.02x = 4,249,415.72 × 1,790,381.64
  4. Step 4: Simplify right side
    3,078,798.02x = 7,608,075,885,815.38
  5. Step 5: Solve for x
    x = 7,608,075,885,815.38/3,078,798.02
  6. Step 6: Final answer
    x = 2,471,118.87

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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.