Home / 2,997,621.77-4,136,710.86-1,690,869.47

Finding the Fourth Proportional to 2,997,621.77, 4,136,710.86 and 1,690,869.47

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Solution

The fourth proportional to 2,997,621.77, 4,136,710.86 and 1,690,869.47 is: 2,333,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,621.77 : 4,136,710.86 = 1,690,869.47 : x
  2. Step 2: Convert to fraction form
    2,997,621.77/4,136,710.86 = 1,690,869.47/x
  3. Step 3: Cross multiply
    2,997,621.77x = 4,136,710.86 × 1,690,869.47
  4. Step 4: Simplify right side
    2,997,621.77x = 6,994,638,078,707.89
  5. Step 5: Solve for x
    x = 6,994,638,078,707.89/2,997,621.77
  6. Step 6: Final answer
    x = 2,333,395.81

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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.