Home / 1,870,415.60-2,581,155.40-1,043,496.32

Finding the Fourth Proportional to 1,870,415.60, 2,581,155.40 and 1,043,496.32

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Solution

The fourth proportional to 1,870,415.60, 2,581,155.40 and 1,043,496.32 is: 1,440,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,415.60 : 2,581,155.40 = 1,043,496.32 : x
  2. Step 2: Convert to fraction form
    1,870,415.60/2,581,155.40 = 1,043,496.32/x
  3. Step 3: Cross multiply
    1,870,415.60x = 2,581,155.40 × 1,043,496.32
  4. Step 4: Simplify right side
    1,870,415.60x = 2,693,426,161,248.13
  5. Step 5: Solve for x
    x = 2,693,426,161,248.13/1,870,415.60
  6. Step 6: Final answer
    x = 1,440,014.81

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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.