Home / 1,665,214.47-2,298,051.68-1,020,510.16

Finding the Fourth Proportional to 1,665,214.47, 2,298,051.68 and 1,020,510.16

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Solution

The fourth proportional to 1,665,214.47, 2,298,051.68 and 1,020,510.16 is: 1,408,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,214.47 : 2,298,051.68 = 1,020,510.16 : x
  2. Step 2: Convert to fraction form
    1,665,214.47/2,298,051.68 = 1,020,510.16/x
  3. Step 3: Cross multiply
    1,665,214.47x = 2,298,051.68 × 1,020,510.16
  4. Step 4: Simplify right side
    1,665,214.47x = 2,345,185,076,797.39
  5. Step 5: Solve for x
    x = 2,345,185,076,797.39/1,665,214.47
  6. Step 6: Final answer
    x = 1,408,338.16

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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.