Home / 1,917,530.47-2,875,362.58-1,019,402.47

Finding the Fourth Proportional to 1,917,530.47, 2,875,362.58 and 1,019,402.47

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Solution

The fourth proportional to 1,917,530.47, 2,875,362.58 and 1,019,402.47 is: 1,528,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,530.47 : 2,875,362.58 = 1,019,402.47 : x
  2. Step 2: Convert to fraction form
    1,917,530.47/2,875,362.58 = 1,019,402.47/x
  3. Step 3: Cross multiply
    1,917,530.47x = 2,875,362.58 × 1,019,402.47
  4. Step 4: Simplify right side
    1,917,530.47x = 2,931,151,716,197.57
  5. Step 5: Solve for x
    x = 2,931,151,716,197.57/1,917,530.47
  6. Step 6: Final answer
    x = 1,528,607.63

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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.