Home / 1,999,990.50-3,000,297.40-651,840.34

Finding the Fourth Proportional to 1,999,990.50, 3,000,297.40 and 651,840.34

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Solution

The fourth proportional to 1,999,990.50, 3,000,297.40 and 651,840.34 is: 977,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,990.50 : 3,000,297.40 = 651,840.34 : x
  2. Step 2: Convert to fraction form
    1,999,990.50/3,000,297.40 = 651,840.34/x
  3. Step 3: Cross multiply
    1,999,990.50x = 3,000,297.40 × 651,840.34
  4. Step 4: Simplify right side
    1,999,990.50x = 1,955,714,877,317.12
  5. Step 5: Solve for x
    x = 1,955,714,877,317.12/1,999,990.50
  6. Step 6: Final answer
    x = 977,862.08

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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.