Home / 1,564,090.80-2,157,332.22-1,435,444.77

Finding the Fourth Proportional to 1,564,090.80, 2,157,332.22 and 1,435,444.77

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Solution

The fourth proportional to 1,564,090.80, 2,157,332.22 and 1,435,444.77 is: 1,979,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,090.80 : 2,157,332.22 = 1,435,444.77 : x
  2. Step 2: Convert to fraction form
    1,564,090.80/2,157,332.22 = 1,435,444.77/x
  3. Step 3: Cross multiply
    1,564,090.80x = 2,157,332.22 × 1,435,444.77
  4. Step 4: Simplify right side
    1,564,090.80x = 3,096,731,252,351.49
  5. Step 5: Solve for x
    x = 3,096,731,252,351.49/1,564,090.80
  6. Step 6: Final answer
    x = 1,979,892.25

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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.