Home / 1,543,875.46-2,130,666.33-971,406.34

Finding the Fourth Proportional to 1,543,875.46, 2,130,666.33 and 971,406.34

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Solution

The fourth proportional to 1,543,875.46, 2,130,666.33 and 971,406.34 is: 1,340,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,875.46 : 2,130,666.33 = 971,406.34 : x
  2. Step 2: Convert to fraction form
    1,543,875.46/2,130,666.33 = 971,406.34/x
  3. Step 3: Cross multiply
    1,543,875.46x = 2,130,666.33 × 971,406.34
  4. Step 4: Simplify right side
    1,543,875.46x = 2,069,742,781,386.53
  5. Step 5: Solve for x
    x = 2,069,742,781,386.53/1,543,875.46
  6. Step 6: Final answer
    x = 1,340,615.12

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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.