Home / 1,545,534.70-2,130,374.43-1,218,314.51

Finding the Fourth Proportional to 1,545,534.70, 2,130,374.43 and 1,218,314.51

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Solution

The fourth proportional to 1,545,534.70, 2,130,374.43 and 1,218,314.51 is: 1,679,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,534.70 : 2,130,374.43 = 1,218,314.51 : x
  2. Step 2: Convert to fraction form
    1,545,534.70/2,130,374.43 = 1,218,314.51/x
  3. Step 3: Cross multiply
    1,545,534.70x = 2,130,374.43 × 1,218,314.51
  4. Step 4: Simplify right side
    1,545,534.70x = 2,595,466,077,139.01
  5. Step 5: Solve for x
    x = 2,595,466,077,139.01/1,545,534.70
  6. Step 6: Final answer
    x = 1,679,332.13

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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.