Home / 4,013,699.02-5,538,919.14-2,178,156.90

Finding the Fourth Proportional to 4,013,699.02, 5,538,919.14 and 2,178,156.90

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Solution

The fourth proportional to 4,013,699.02, 5,538,919.14 and 2,178,156.90 is: 3,005,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,699.02 : 5,538,919.14 = 2,178,156.90 : x
  2. Step 2: Convert to fraction form
    4,013,699.02/5,538,919.14 = 2,178,156.90/x
  3. Step 3: Cross multiply
    4,013,699.02x = 5,538,919.14 × 2,178,156.90
  4. Step 4: Simplify right side
    4,013,699.02x = 12,064,634,943,333.06
  5. Step 5: Solve for x
    x = 12,064,634,943,333.06/4,013,699.02
  6. Step 6: Final answer
    x = 3,005,864.39

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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.