Home / 3,480,807.05-4,803,439.24-1,931,978.41

Finding the Fourth Proportional to 3,480,807.05, 4,803,439.24 and 1,931,978.41

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Solution

The fourth proportional to 3,480,807.05, 4,803,439.24 and 1,931,978.41 is: 2,666,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,807.05 : 4,803,439.24 = 1,931,978.41 : x
  2. Step 2: Convert to fraction form
    3,480,807.05/4,803,439.24 = 1,931,978.41/x
  3. Step 3: Cross multiply
    3,480,807.05x = 4,803,439.24 × 1,931,978.41
  4. Step 4: Simplify right side
    3,480,807.05x = 9,280,140,905,426.81
  5. Step 5: Solve for x
    x = 9,280,140,905,426.81/3,480,807.05
  6. Step 6: Final answer
    x = 2,666,088.86

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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.