Home / 1,570,038.51-2,166,705.45-881,831.46

Finding the Fourth Proportional to 1,570,038.51, 2,166,705.45 and 881,831.46

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Solution

The fourth proportional to 1,570,038.51, 2,166,705.45 and 881,831.46 is: 1,216,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,038.51 : 2,166,705.45 = 881,831.46 : x
  2. Step 2: Convert to fraction form
    1,570,038.51/2,166,705.45 = 881,831.46/x
  3. Step 3: Cross multiply
    1,570,038.51x = 2,166,705.45 × 881,831.46
  4. Step 4: Simplify right side
    1,570,038.51x = 1,910,669,030,363.46
  5. Step 5: Solve for x
    x = 1,910,669,030,363.46/1,570,038.51
  6. Step 6: Final answer
    x = 1,216,956.79

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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.