Home / 2,989,368.60-4,484,052.90-1,925,611.80

Finding the Fourth Proportional to 2,989,368.60, 4,484,052.90 and 1,925,611.80

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Solution

The fourth proportional to 2,989,368.60, 4,484,052.90 and 1,925,611.80 is: 2,888,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,368.60 : 4,484,052.90 = 1,925,611.80 : x
  2. Step 2: Convert to fraction form
    2,989,368.60/4,484,052.90 = 1,925,611.80/x
  3. Step 3: Cross multiply
    2,989,368.60x = 4,484,052.90 × 1,925,611.80
  4. Step 4: Simplify right side
    2,989,368.60x = 8,634,545,176,064.22
  5. Step 5: Solve for x
    x = 8,634,545,176,064.22/2,989,368.60
  6. Step 6: Final answer
    x = 2,888,417.70

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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.